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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<html>
+<head>
+<title>Tom Swift and the Visitor from Planet X</title>
+<meta http-equiv = "Content-Type" content = "text/html; charset=US-ASCII">
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+<pre>
+
+The Project Gutenberg EBook of Tom Swift and The Visitor from Planet X, by
+Victor Appleton
+
+This eBook is for the use of anyone anywhere at no cost and with
+almost no restrictions whatsoever. You may copy it, give it away or
+re-use it under the terms of the Project Gutenberg License included
+with this eBook or online at www.gutenberg.org
+
+
+Title: Tom Swift and The Visitor from Planet X
+
+Author: Victor Appleton
+
+Release Date: March 14, 2006 [EBook #17985]
+
+Language: English
+
+Character set encoding: ASCII
+
+*** START OF THIS PROJECT GUTENBERG EBOOK TOM SWIFT AND THE VISITOR ***
+
+
+
+
+Produced by Louise Hope, Greg Weeks and the Online
+Distributed Proofreading Team at http://www.pgdp.net
+
+
+
+
+
+
+</pre>
+
+
+<p class = "illustration page">
+<img src = "images/swiftcover.jpg" width = "571" height = "675"
+title = "cover" alt = "Tom Swift and the Visitor from Planet X">
+</p>
+
+<div class = "mynote">
+Transcriber's Note:<br>
+To let you get to the story sooner, the <a href =
+"#dust_jacket">dust-jacket copy</a> and other preliminary text has
+been moved to the end of the file, and the <a href =
+"#frontis">frontispiece</a> has been relocated after the
+Table of Contents.
+</div>
+
+<br>
+
+<!--main title page-->
+
+<h5 class = "left">THE NEW TOM SWIFT JR. ADVENTURES</h5>
+
+<h1 class = "left bigger">TOM SWIFT</h1>
+
+<h2 class = "left">AND THE VISITOR<br>
+FROM PLANET X</h2>
+
+<h3 class = "left">BY VICTOR APPLETON II</h3>
+
+<h6 class = "left">ILLUSTRATED BY GRAHAM KAYE</h6>
+
+<br>
+
+<h4>GROSSET &amp; DUNLAP</h4>
+
+<h5>NEW YORK &middot; PUBLISHERS</h5>
+
+<hr class = "mid">
+
+<h6 class = "serif">
+&copy; BY GROSSET &amp; DUNLAP, INC., 1961<br>
+ALL RIGHTS RESERVED</h6>
+<br>
+<h6 class = "serif">
+PRINTED IN THE UNITED STATES OF AMERICA</h6>
+
+<hr>
+
+<!--real text begins-->
+
+<h4>CONTENTS</h4>
+
+<table>
+<tr>
+<td colspan = "2"><span class = "smalltype">CHAPTER</span></td>
+<td class = "number smalltype">PAGE</td>
+</tr>
+<tr>
+<td class = "number left">1</td>
+<td class = "chaptitle">
+<a class = "plain" href = "#chap_1">
+The Earthquake</a></td>
+<td class = "number right"><a href = "#page1">1</a></td>
+</tr>
+<tr>
+<td class = "number left">2</td>
+<td class = "chaptitle">
+<a class = "plain" href = "#chap_2">
+The Mysterious Hitchhiker</a></td>
+<td class = "number right"><a href = "#page11">11</a></td>
+</tr>
+<tr>
+<td class = "number left">3</td>
+<td class = "chaptitle">
+<a class = "plain" href = "#chap_3">
+Report from Interpol</a></td>
+<td class = "number right"><a href = "#page18">18</a></td>
+</tr>
+<tr>
+<td class = "number left">4</td>
+<td class = "chaptitle">
+<a class = "plain" href = "#chap_4">
+Another Tremor!</a></td>
+<td class = "number right"><a href = "#page30">30</a></td>
+</tr>
+<tr>
+<td class = "number left">5</td>
+<td class = "chaptitle">
+<a class = "plain" href = "#chap_5">
+Secret Cache</a></td>
+<td class = "number right"><a href = "#page39">39</a></td>
+</tr>
+<tr>
+<td class = "number left">6</td>
+<td class = "chaptitle">
+<a class = "plain" href = "#chap_6">
+Brungarian Coup</a></td>
+<td class = "number right"><a href = "#page46">46</a></td>
+</tr>
+<tr>
+<td class = "number left">7</td>
+<td class = "chaptitle">
+<a class = "plain" href = "#chap_7">
+Wall of Water!</a></td>
+<td class = "number right"><a href = "#page55">55</a></td>
+</tr>
+<tr>
+<td class = "number left">8</td>
+<td class = "chaptitle">
+<a class = "plain" href = "#chap_8">
+A Suspect Talks</a></td>
+<td class = "number right"><a href = "#page65">65</a></td>
+</tr>
+<tr>
+<td class = "number left">9</td>
+<td class = "chaptitle">
+<a class = "plain" href = "#chap_9">
+The Cave Monster</a></td>
+<td class = "number right"><a href = "#page73">73</a></td>
+</tr>
+<tr>
+<td class = "number left">10</td>
+<td class = "chaptitle">
+<a class = "plain" href = "#chap_10">
+Energy from Planet X</a></td>
+<td class = "number right"><a href = "#page83">83</a></td>
+</tr>
+<tr>
+<td class = "number left">11</td>
+<td class = "chaptitle">
+<a class = "plain" href = "#chap_11">
+An Electrical Christening</a></td>
+<td class = "number right"><a href = "#page92">92</a></td>
+</tr>
+<tr>
+<td class = "number left">12</td>
+<td class = "chaptitle">
+<a class = "plain" href = "#chap_12">
+Exman Takes Orders</a></td>
+<td class = "number right"><a href = "#page99">99</a></td>
+</tr>
+<tr>
+<td class = "number left">13</td>
+<td class = "chaptitle">
+<a class = "plain" href = "#chap_13">
+Disaster Strikes</a></td>
+<td class = "number right"><a href = "#page106">106</a></td>
+</tr>
+<tr>
+<td class = "number left">14</td>
+<td class = "chaptitle">
+<a class = "plain" href = "#chap_14">
+Air-borne Hijackers</a></td>
+<td class = "number right"><a href = "#page115">115</a></td>
+</tr>
+<tr>
+<td class = "number left">15</td>
+<td class = "chaptitle">
+<a class = "plain" href = "#chap_15">
+<ins class = "correction" title =
+"normal spelling in this text">Kidnaped!</ins></a></td>
+<td class = "number right"><a href = "#page125">125</a></td>
+</tr>
+<tr>
+<td class = "number left">16</td>
+<td class = "chaptitle">
+<a class = "plain" href = "#chap_16">
+A Unique Experiment</a></td>
+<td class = "number right"><a href = "#page137">137</a></td>
+</tr>
+<tr>
+<td class = "number left">17</td>
+<td class = "chaptitle">
+<a class = "plain" href = "#chap_17">
+An Urgent Warning</a></td>
+<td class = "number right"><a href = "#page145">145</a></td>
+</tr>
+<tr>
+<td class = "number left">18</td>
+<td class = "chaptitle">
+<a class = "plain" href = "#chap_18">
+Earthquake Island</a></td>
+<td class = "number right"><a href = "#page155">155</a></td>
+</tr>
+<tr>
+<td class = "number left">19</td>
+<td class = "chaptitle">
+<a class = "plain" href = "#chap_19">
+A Fiendish Machine</a></td>
+<td class = "number right"><a href = "#page166">166</a></td>
+</tr>
+<tr>
+<td class = "number left">20</td>
+<td class = "chaptitle">
+<a class = "plain" href = "#chap_20">
+The Robot Spy's Story</a></td>
+<td class = "number right"><a href = "#page177">177</a></td>
+</tr>
+</table>
+
+<!--frontispiece-->
+<a name = "frontis"> </a>
+<p class = "illustration page">
+<img src = "images/frontis.jpg" width = "345" height = "481"
+title = "frontispiece" alt = "Exman is taken into submarine">
+<br>
+<i>The raiders transferred Exman to the enemy sub</i>
+</p>
+
+<span class = "pagenum">1</span>
+<a name = "page1"> </a>
+<h5 class = "left chapter"><a name = "chap_1">CHAPTER I</a></h5>
+<h4>THE EARTHQUAKE</h4>
+
+
+<p><span class = "firstword">"Tom,</span>
+we're having a problem with the gyro-stabilizer," said Mark Faber,
+gray-haired president of the Faber Electronics Company. "Hope you can
+find out what's wrong."</p>
+
+<p>The eighteen-year-old inventor accepted the challenge with a smile.
+"I'll be glad to try, sir," he replied.</p>
+
+<p>Bud Barclay, a dark-haired young flier and Tom Swift Jr.'s closest
+friend, chuckled. "If anyone can get the bugs out of your new invention,
+genius boy here will do it!"</p>
+
+<p>The two boys followed Mr. Faber and his engineers to a wooden
+building which was tightly guarded. Inside, a secret rocket-telemetering
+device was mounted on its test stand.</p>
+
+<p>"As you know, Tom," Mr. Faber began, "the usual conditions of rocket
+flight will be&mdash;"</p>
+
+<p>
+<span class = "pagenum">2</span>
+<a name = "page2"> </a>
+He broke off with a gasp of astonishment as the whole building suddenly
+began to shake.</p>
+
+<p>"Good grief!" Bud exclaimed. "This isn't part of your testing
+routine, is&nbsp;it?"</p>
+
+<p>His question was drowned out by cries of alarm and the sound of
+cracking glass. The walls and roof were shuddering and creaking, and the
+concrete floor was heaving under their feet.</p>
+
+<p>"Look out! The test stand's breaking loose!" Tom warned.</p>
+
+<p class = "illustration">
+<img src = "images/pic2_3.jpg" width = "568" height = "280"
+alt = "(earthquake in the lab)"></p>
+
+<p>
+<span class = "pagenum">3</span>
+<a name = "page3"> </a>
+Mr. Faber and two of his men tried frantically to brace the heavy test
+stand which held the telemetering device. Another engineer rushed toward
+the door to see what was happening outside. Before he reached it,
+another shock knocked all of them off their feet.</p>
+
+<p>Electronic equipment cascaded from the wall shelves, and a heavy-duty
+chain hoist came loose from its overhead track, plunging to the floor
+with a terrifying crash.</p>
+
+<p>"An earthquake!" Tom gasped.</p>
+
+<p>
+Bud, meanwhile, clawed a handhold on a wire screen enclosing an air
+compressor and pulled himself to his feet. But the next moment a third,
+<span class = "pagenum">4</span>
+<a name = "page4"> </a>
+more violent tremor rocked the building, knocking him over. "The roof!
+It's caving in!" he heard someone scream.</p>
+
+<p>As his eyes flashed upward in panic, Bud caught a brief glimpse of
+the ponderous test stand with the priceless telemeter tilting to one
+side. An instant later it crashed over, pinning Mark Faber beneath
+it!</p>
+
+<p>Bud threw up his arms to protect himself, but too late! A falling
+beam caught him on the back of the head and the young flier
+blacked&nbsp;out.</p>
+
+<p>For minutes, no one stirred among the wreckage. Then Tom, who had
+been stunned by some falling debris, raised himself to a sitting
+position.</p>
+
+<p>"Good night!" Tom's eyes focused in horror on the wreckage enveloped
+by still-billowing dust.</p>
+
+<p>The sky was visible through several gaping holes in the roof, which
+was sagging dangerously on its supporting trusses. Only two thirds of
+the walls were still standing.</p>
+
+<p>Suddenly Tom stiffened in fear. "Bud!" The young inventor had just
+noticed his friend lying pinned beneath a heavy beam nearby. <i>Was he
+still breathing?</i></p>
+
+<p>Disregarding his own injuries, Tom hastily freed himself from the
+debris and groped his way to Bud's side. With a desperate heave, he
+shoved the beam away, then cradled Bud's head in his arm. His friend's
+eyelids flickered.</p>
+
+<p>"Are you all right?" Tom asked fearfully.</p>
+
+<p>
+<span class = "pagenum">5</span>
+<a name = "page5"> </a>
+The answer came in a groan. "O-oh!... Wow!... What hit&nbsp;me?"</p>
+
+<p>"You got conked by a falling timber. Or grazed, at least," Tom added
+thankfully. "If that beam had landed square on your noggin, even a
+rock-head like you couldn't have survived!"</p>
+
+<p>Bud managed to grin. "We grow 'em tough out in California where I
+come from!" he joked.</p>
+
+<p>Somewhat shakily, Bud got to his feet with Tom's assistance. Both
+boys were heartsick as they surveyed the damaged laboratory, wondering
+where to begin rescue operations.</p>
+
+<p>"It was a quake," Bud stated grimly. He had heard about the great San
+Francisco earthquake from his grandfather, and had no doubt about the
+nature of the tremors.</p>
+
+<p>Just then Tom glimpsed a body protruding from under the wreckage of
+the telemetering device.</p>
+
+<p>"Mr. Faber!" he gasped.</p>
+
+<p>The two boys scrambled through the clutter of debris toward the spot
+where the test stand had been erected. Bud seized a slender, steel I
+beam and managed to pry up the wreckage while Tom carefully extricated
+Mr. Faber.</p>
+
+<p>The scientist seemed to be badly injured. "We'd better not try to
+move him," Tom decided. "We'll get an ambulance."</p>
+
+<p>
+Of the four other company engineers, two were now stirring and partly
+conscious. The boys found
+<span class = "pagenum">6</span>
+<a name = "page6"> </a>
+a first-aid cabinet and gave what help they could to them and the other
+two men. Then Tom taped a bandage on Bud's scalp wound.</p>
+
+<p>"Let's see if we can find a telephone and call the local hospital,"
+Tom said.</p>
+
+<p>"Right!" Bud responded.</p>
+
+<p>They picked their way through the wreckage and emerged on a scene of
+frightful destruction. The main plant building of Faber Electronics had
+been partially demolished by the quake. Power lines were down and an
+outlying storage shed was ablaze. Dazed and panic-stricken survivors
+were wandering around aimlessly or rushing about to assist the
+injured.</p>
+
+<p>"Good thing the main shift of workers knocked off before this
+happened," Bud observed with a shudder. "There would've been a lot more
+casualties."</p>
+
+<p>"Look!" Tom pointed to a huge crevasse. "Right where we landed our
+Whirling Duck!"</p>
+
+<p>The boys exchanged rueful glances as they realized that the craft
+which had brought them to Faber Electronics&mdash;one of Tom's unique
+helijets&mdash;had been swallowed up in the gaping chasm.</p>
+
+<p>"No use fussing about it now," Tom said. "Come on, Bud! Let's see
+about getting help for Mr. Faber!"</p>
+
+<p>
+Despite the chaotic confusion, the boys managed to locate the plant
+superintendent&mdash;a harried, middle-aged man named Simkins&mdash;who
+was
+<span class = "pagenum">7</span>
+<a name = "page7"> </a>
+doing his best to restore order. Simkins, who had not been injured,
+informed them that electricians were rigging an emergency telephone line
+in order to get through to the nearby town of Harkness.</p>
+
+<p>"Mr. Faber is badly injured," Tom said. "Why not send a car? It's
+only a few miles away, isn't&nbsp;it?"</p>
+
+<p>"I'll send the plant nurse to him," Simkins said. "As for going to
+town, take a look at the parking lot." He pointed with a jerk of his
+thumb. The cars on the lot had been smashed into junk by bricks from a
+collapsing wall of one of the buildings. "And the only truck we had
+available was in that burning shed," the superintendent added
+bitterly.</p>
+
+<p>"Tough break," Tom sympathized. "Anyhow, we want to help. Got a job
+for&nbsp;us?"</p>
+
+<p>Simkins was only too glad to put Tom's quick mind and keen technical
+know-how to use. Within minutes, Tom was in charge of clearing away
+rubble and extricating anyone who might be trapped inside the buildings.
+Bud organized a fire-fighting crew to keep the blaze in the shed from
+spreading.</p>
+
+<p>The telephone line was soon repaired and a steady stream of rescue
+vehicles began arriving from Harkness&mdash;fire trucks, three
+ambulances, and private cars driven by volunteers.</p>
+
+<p>
+Two hours later there was nothing more Tom and Bud could do at the
+disaster scene and they
+<span class = "pagenum">8</span>
+<a name = "page8"> </a>
+hitched a ride into Harkness. The town had suffered some damage, though
+only slight compared to the destruction at the plant.</p>
+
+<p>"The center of the quake was right under Faber Electronics," Tom
+remarked.</p>
+
+<p>From a pay telephone, he called Swift Enterprises in Shopton. This
+was the experimental station where he and his father developed their
+many amazing inventions. Tom asked the operator to send a helicopter
+immediately to pick them up. He also called home and spoke to his
+sister, Sandra.</p>
+
+<p>"What a relief!" Sandy gasped. "We heard a bulletin about the quake
+over the radio!"</p>
+
+<p>"Don't worry, Sis. Tell Mother and Dad that we're okay," Tom said.
+"We'll be home in a jiffy&mdash;with big appetites!"</p>
+
+<p>The helicopter arrived within twenty minutes at the place Tom had
+named. After landing at Enterprises, the boys drove to the pleasant,
+tree-shaded Swift home on the outskirts of town.</p>
+
+<p>Mrs. Swift, a slender, petite woman, tried not to show concern when
+she saw the boys, bruised and disheveled. "I'm so thankful you're both
+safe!" she murmured.</p>
+
+<p>
+Blond, blue-eyed Sandy, who was a year younger than Tom, had invited her
+friend Phyllis Newton to the house for dinner. Phyl, a pretty,
+dark-haired girl, was the daughter of Mr. Swift's long-time friend and
+business associate, "Uncle
+<span class = "pagenum">9</span>
+<a name = "page9"> </a>
+Ned" Newton. The two girls were as much upset as Tom's mother.</p>
+
+<p>Tom laughed. "We're not stretcher cases," he said. "Why, one of the
+ambulance doctors checked us&nbsp;out."</p>
+
+<p>Bud groaned. "Why did you have to go and spoil it?" he complained
+jokingly. "I&nbsp;was all set for Sandy's cool soothing touch on my
+fevered brow!"</p>
+
+<p>Mr. Swift came into the living room just then and told Tom how
+worried Mrs. Swift and Sandy had been. "I&nbsp;tried to assure them that
+you and Bud can take care of yourselves in any crisis." He smiled
+guiltily as he added, "But I must admit I was more than a little
+concerned myself."</p>
+
+<p>As Tom grinned, the resemblance between him and his father was very
+evident. Both had the same clean-cut features and deep-set blue eyes,
+although Tom Jr. was lankier and taller.</p>
+
+<p>After the two boys had showered and changed their clothes, Mrs. Swift
+served them a delicious, hot meal. While they ate, Mr. Swift managed
+after some difficulty to get a call through to the Harkness Hospital.
+His face was grave as he hung&nbsp;up.</p>
+
+<p>"Mark Faber is not expected to live," the elder inventor reported. "A
+pity. He's a great scientist."</p>
+
+<p>Tom nodded unhappily. Sandy, to take her brother's mind off the
+disaster, said, "Dad, tell Tom and Bud about the visitor who's
+coming."</p>
+
+<p>
+<span class = "pagenum">10</span>
+<a name = "page10"> </a>
+"A visitor?" Tom looked at his father.</p>
+
+<p>"From another planet," Mr. Swift revealed.</p>
+
+<p>Both boys were amazed and excited. "Wow!" Bud gasped. "Male or
+female? Human or animal?"</p>
+
+<p>Mr. Swift's eyes twinkled. "None of those," he replied as the boys
+stared, mystified.</p>
+
+
+
+
+<span class = "pagenum">11</span>
+<a name = "page11"> </a>
+<h5 class = "left chapter"><a name = "chap_2">CHAPTER II</a></h5>
+<h4>THE MYSTERIOUS HITCHHIKER</h4>
+
+
+<p><span class = "firstword">Tom</span>
+and Bud were bursting with curiosity. Although the Swifts had been in
+radio contact with creatures from outer space for many months, this was
+the most exciting news yet!</p>
+
+<p>On one occasion, the unknown beings had moved a small
+asteroid&mdash;the phantom satellite Nestria&mdash;into orbit about the
+earth. Later they had sent strange samples of the animal life of their
+planet, aboard orbiting missiles, to be studied by the Swifts. They had
+also helped Tom, Bud, and Mr. Swift a number of times when their lives
+were at stake while on daring voyages beyond the earth. What was their
+latest intention?</p>
+
+<p>The telephone rang and Sandy went to answer&nbsp;it.</p>
+
+<p>"For Pete's sake, Dad," Tom pleaded, "don't keep us in suspense! Who
+or what is this visitor?"</p>
+
+<p>
+<span class = "pagenum">12</span>
+<a name = "page12"> </a>
+Mr. Swift smiled at the boys' baffled expressions. "The fact is that a
+message came through today that&mdash;"</p>
+
+<p>He was interrupted by Sandy who had come to the door. "The phone
+call's for you, Dad. Long distance from Washington."</p>
+
+<p>Bud groaned as Mr. Swift went off to take the call. "It's a
+conspiracy," Bud said. "Everyone's ganging up to keep us from finding
+out about that mysterious visitor!"</p>
+
+<p>Tom grinned. "We lasted through an earthquake this afternoon, pal,"
+he said consolingly. "I&nbsp;guess we can last through a phone
+call."</p>
+
+<p>Inwardly Tom was as impatient as Bud about the exact nature of the
+message.</p>
+
+<p>Several months ago, the space creatures had sent their first
+communication in the form of mathematical symbols carved on a black
+missile which had landed on the grounds of Swift Enterprises.</p>
+
+<p>Tom and his father had decoded the symbols and beamed out a reply
+over a powerful radio transmitter. Later messages had been picked up by
+radio telescope and converted to appear as symbols on the oscilloscope
+screen.</p>
+
+<p>"Sandy must know what it's all about," Bud broke in. "She's the one
+who first mentioned the visitor."</p>
+
+<p>
+"Of course I know," Sandy said mysteriously. "So does Mother and so does
+Phyl. But don't
+<span class = "pagenum">13</span>
+<a name = "page13"> </a>
+think we're going to give it away!" she added teasingly.</p>
+
+<p>Tom and Bud cajoled the two girls and Mrs. Swift for further
+information. But Sandy and Phyl only shook their heads, obviously
+enjoying the situation.</p>
+
+<p>"At last we're getting back at them for the way they've neglected
+us!" Phyl said, her brown eyes sparkling with laughter.</p>
+
+<p>"Come on, Mother!" Tom said. "Be a sport. You tell us!"</p>
+
+<p>But Mrs. Swift too shook her head. "I'm sorry, Tom," she demurred
+gently, "but I think the girls are right. I'll say this much, though,"
+she relented, "it will be the biggest challenge that Tom Swift Jr. and
+Sr. have ever faced!"</p>
+
+<p>"Whew!" Bud remarked as the two boys glanced at each other. "That
+must mean it's <i>plenty</i> big news! It would have to be, skipper, to
+top all the other jobs you and your dad have taken on!"</p>
+
+<p>Conquering outer space, probing the ocean's secrets, drilling to the
+earth's core&mdash;these were only a few of Tom Swift's many exciting
+exploits.</p>
+
+<p>In his first adventure, Tom, in his Flying Lab, had gone to South
+America to fend off a gang of rebels seeking a valuable radioactive ore
+deposit. In his most recent challenge, Tom had defied the threats of
+Oriental killers determined to ferret out the secret of the Swifts'
+latest space research.</p>
+
+<p>
+<span class = "pagenum">14</span>
+<a name = "page14"> </a>
+As the two boys silently recalled the exciting events of the past
+months, Mr. Swift returned to the living room.</p>
+
+<p>Tom and Bud leaned forward in their chairs. "Well, boys," Mr. Swift
+said, "as I started to tell you, the space receiver picked up a message
+today from our unknown planetary friends. The message informed us that
+they are sending a visitor to earth&mdash;a visitor consisting of
+<i>pure energy!</i>"</p>
+
+<p>"<i>Energy?</i>" Tom was startled. "I don't get it, Dad!"</p>
+
+<p>"Frankly, I don't quite understand it myself," Tom Sr. confessed.
+"The message didn't explain how or in what form the energy would arrive.
+But, at any rate, they want us to construct some sort of container
+for&nbsp;it."</p>
+
+<p>The elder scientist paused thoughtfully. "In my opinion, the energy
+which they speak of must be a sort of invisible brain. The symbols were
+rather difficult to decode, but apparently our job will be to construct
+a device through which the energy will be able to receive impressions of
+what life is like here on earth, and also to communicate its own
+responses to&nbsp;us."</p>
+
+<p>Tom sat bolt upright. "Dad, this is terrific news!" he exclaimed. "If
+we're able to make this energy or 'brain' communicate, it may be able to
+tell <i>us</i> what the space people are like!"</p>
+
+<p>Mr. Swift nodded, his own eyes blazing with as much excitement as
+Tom's were.</p>
+
+<p>
+<span class = "pagenum">15</span>
+<a name = "page15"> </a>
+Bud, too, was deeply impressed but could not resist quipping, "What sort
+of body will you give it? How about a beautiful, superintelligent space
+girl for me to date?"</p>
+
+<p>"Nothing doing!" Sandy retorted mischievously. "I&nbsp;insist on a
+handsome young man who'd have time to take two nice earth girls out on
+dates!"</p>
+
+<p>"Ouch!" Bud pretended to wince. "I really left myself wide open for
+that one!"</p>
+
+<p>Mrs. Swift put in, "Goodness, mightn't it get out of control and be
+rather overpowering? Suppose it went berserk!"</p>
+
+<p>"Rather an unpleasant possibility," Mr. Swift agreed, smiling wryly.
+"But I trust our space friends wouldn't let that happen."</p>
+
+<p>Both he and Tom became thoughtful as they discussed the problem.</p>
+
+<p>"The energy will arrive in two weeks," Mr. Swift added.
+"Unfortunately that phone call was a request that I go to Washington on
+urgent government business. So you may have to take over and work out a
+solution on your own,&nbsp;Tom."</p>
+
+<p>It was a sobering thought to the young inventor. "You were right,
+Mother. This is a terrific challenge."</p>
+
+<p>Soon afterward, the little gathering broke up. Bud, who had left his
+own convertible at the Swifts' that morning, offered to drop Phyl at her
+home.</p>
+
+<p>
+<span class = "pagenum">16</span>
+<a name = "page16"> </a>
+Tom awoke the next morning, refreshed by a good night's sleep. After a
+hearty breakfast of bacon and eggs, he drove off to Enterprises in his
+low-slung silver sports&nbsp;car.</p>
+
+<p>"Think I'll listen to the news," Tom thought, and switched on his
+dashboard radio.</p>
+
+<p>A moment later the announcer's voice came over the loud-speaker.
+"Casualties from yesterday's disastrous earthquake now total thirty-one
+injured," the announcer reported. "Most of these are employees of the
+Faber Electronics plant and four are in critical condition. There is one
+note of cheer, however. At last report, Mark Faber, the brilliant
+president of the company, is now expected to recover." Tom gave a
+thankful sigh of relief.</p>
+
+<p>The announcer continued, "The nearby town of Harkness was only
+lightly damaged, but the plant itself was almost totally demolished. No
+estimate of the losses has been released, but will certainly run into
+millions of dollars, including some highly secret defense items which
+were being developed at the plant. Scientists are puzzled by the
+severity of the quake in what had been considered a 'dead' area."</p>
+
+<p>For the first time Tom, too, was struck by this curious aspect of the
+disaster. So far as he knew, no serious tremors had ever before been
+reported within hundreds of miles of the region.</p>
+
+<p>
+He was mulling over the matter as he drove
+<span class = "pagenum">17</span>
+<a name = "page17"> </a>
+along a lonely wooded area, not far from Lake Carlopa. Suddenly his
+thoughts were interrupted as a man stepped out from among the trees
+ahead and gestured with his thumb for a ride.</p>
+
+<p>"Sorry, mister," Tom reflected, "but I've had trouble with
+hitchhikers before!" He shook his head to let the man know that he did
+not intend to stop.</p>
+
+<p>To the young inventor's amazement, the pedestrian deliberately
+stepped onto the road&mdash;squarely in the path of Tom's oncoming
+car!</p>
+
+<p>Tom jammed on the brakes, and the silver sports car screeched to a
+stop. Only a quick twist of the wheel had prevented an accident!</p>
+
+<p>Somewhat angrily, Tom exclaimed, "What's the big idea, mister? Don't
+you realize you might have been&mdash;"</p>
+
+<p>"Shut up!" the stranger snarled. In an instant the man had yanked
+open the door and climbed in beside&nbsp;Tom.</p>
+
+<p>"Take me inside the grounds of Swift Enterprises," he commanded in a
+foreign accent. "And no tricks or you will regret it!"</p>
+
+
+
+
+<span class = "pagenum">18</span>
+<a name = "page18"> </a>
+<h5 class = "left chapter"><a name = "chap_3">CHAPTER III</a></h5>
+<h4>REPORT FROM INTERPOL</h4>
+
+
+<p><span class = "firstword">Tom,</span>
+astonished, stared at the stranger.</p>
+
+<p>"Who are you?" the young inventor demanded.</p>
+
+<p>"Never mind who I am. Just do as I say!"</p>
+
+<p>By this time Tom had recovered from his surprise and coolly sized up
+his enemy. The man was about thirty years old, with close-cropped black
+hair. Steely eyes glinted in a lean, hard-jawed face.</p>
+
+<p>Tom wondered, "<i>Should I risk a fight? Or is he armed?</i>"</p>
+
+<p>As if in answer, the stranger growled, "I&nbsp;gave you an order, my
+friend. Don't press your luck! Get going!"</p>
+
+<p>As he spoke, the man thrust one hand deep into his coat pocket, and
+Tom felt something hard poke against his ribs.</p>
+
+<p>
+The young inventor drove on, but proceeded slowly. He wanted time to
+think. Presently Swift
+<span class = "pagenum">19</span>
+<a name = "page19"> </a>
+Enterprises, enclosed by a high wall, came into view.</p>
+
+<p>Tom's brain was working fast. At last he decided on a ruse. He would
+head for the main gate, get out, and use his electronic key without
+waiting for the guard to admit him. At the same time, he would press a
+secret warning bell to alert the Swift security force.</p>
+
+<p>But the stranger seemed to read his thoughts. As Tom started to turn
+off toward the main gate, his passenger snapped, "Go to the private gate
+which you and your father use!"</p>
+
+<p>"And if I refuse?"</p>
+
+<p>Again the hard object poked into his ribs. "You will be what you call
+in this country a dead duck!" the stranger warned. "I&nbsp;will then let
+myself in with your key!"</p>
+
+<p>Tight-lipped, Tom drove on another half mile, then turned in at the
+private gate. The man got out with him as Tom walked up to the gate and
+beamed his electronic key at the hidden mechanism. Instantly the gate
+swung open, then closed again automatically after the car passed
+through.</p>
+
+<p>
+Tom parked in his usual spot. The stranger kept his hand in his pocket,
+still covering Tom but glancing around cautiously. The sprawling
+experimental station was a vast four-mile-square area with a cluster of
+gleaming modern laboratory buildings and workshops. In the distance, a
+tall
+<span class = "pagenum">20</span>
+<a name = "page20"> </a>
+glassed-in control tower overlooked Enterprises' long runways for jet
+planes.</p>
+
+<p>Suddenly the stranger stiffened. A paunchy, bowlegged figure, topped
+by a white Texas sombrero, was coming straight toward them.</p>
+
+<p>Tom's heart gave a leap of hope. The man was Chow Winkler, formerly a
+chuck-wagon cook and now head chef for the Swifts' expeditions.</p>
+
+<p>"Hi, boss!" Chow bellowed in his foghorn voice. As usual he was
+wearing a gaudy cowboy shirt. "Who's the new buckaroo?" the cook added,
+squinting at the stranger with open but friendly curiosity.</p>
+
+<p>"Why&mdash;actually I don't know his name yet, but he's looking for a
+job," Tom replied. Turning to the stranger, he added, "What <i>is</i>
+your name, mister?"</p>
+
+<p>The stranger glared from Tom to Chow, as if not certain what to
+answer.</p>
+
+<p>Chow's eyes narrowed. He had detected something strange in the way
+Tom addressed the fellow as "mister," and had also noticed how the man
+kept one hand hidden in his pocket. Looking to Tom for a lead, Chow
+suddenly noticed the young inventor make a quick "thumbs down"
+gesture.</p>
+
+<p>"My name is..." The man's voice fell to a mumble, obscuring the
+syllables. "Frankly I am not yet sure I desire a job here, but being an
+engineer, I thought perhaps&mdash;"</p>
+
+<p>
+<span class = "pagenum">21</span>
+<a name = "page21"> </a>
+The man's gaze switched back to Tom, and in that instant Chow jumped the
+intruder. With surprising agility for his rotund bulk, the cook bore
+down on him and let fly a gnarled fist at the stranger's jaw. Tom
+followed up like lightning, grabbing the man's wrist and yanking his
+hand out of his pocket.</p>
+
+<p>
+<span class = "picture">
+<img src = "images/pic21.jpg" width = "336" height = "329"
+alt = "(Tom and Chow fight the intruder)"></span>
+He was clutching a snub-nosed automatic. Tom twisted it from his grasp
+as the man landed, writhing on the hard ground. Chow quickly pinned his
+other arm and drove a knee into the man's solar plexus.</p>
+
+<p>
+<span class = "pagenum">22</span>
+<a name = "page22"> </a>
+"Jest lie quiet now, you varmint, or you may git yourself roughed up a
+bit," Chow warned, then added, "Who is he,&nbsp;Tom?"</p>
+
+<p>"Search me. He stopped my car on the road and forced me to drive him
+in through the private gate. Boy, was I ever glad to see you,
+old-timer!"</p>
+
+<p>Tom emptied out the clip of shells. Then he searched the stranger
+while Chow continued holding him down. The man carried no wallet,
+papers, or other means of identification.</p>
+
+<p>"Brand my tumbleweed salad," Chow grumbled, "he sure wasn't takin' no
+chances on people findin' out who he is! Which proves he's some sort o'
+crooked cowpoke! Honest ones ain't afeared o' showin' their own
+brand!"</p>
+
+<p>The man muttered something angrily in a foreign tongue. Chow merely
+pressed down harder with his knee. "What'll we do with him, boss?"</p>
+
+<p>"Let him up, Chow," Tom said. "Security should be here any
+second."</p>
+
+<p>Even as he spoke, Tom glimpsed a jeep speeding toward them in the
+distance. The young inventor knew what had happened. Since the stranger
+did not have the special electronic wrist amulet worn by all Swift
+employees, his presence had automatically shown up on the master
+radarscope. A security squad was coming to investigate.</p>
+
+<p>
+As Chow released the man, he got to his feet
+<span class = "pagenum">23</span>
+<a name = "page23"> </a>
+slowly. Then, without warning, he suddenly butted the cook square in the
+stomach. Chow was knocked sprawling!</p>
+
+<p>Before Tom could counter the surprise attack, the man's fist cracked
+against his cheekbone. Tom, though stunned, lashed out. More punches
+flew back and forth. Tom landed a stinging blow to his opponent's
+midriff, then took a punishing one himself.</p>
+
+<p>Suddenly Tom felt the stranger's hand clawing at his pocket for the
+key to the gate. With all his wiry strength, Tom locked his arms around
+the man and wrestled him to the ground.</p>
+
+<p>The stranger fought like a tiger. But a second later a jeep screeched
+to a stop. Three security guards, led by stocky Phil Radnor, leaped out.
+Within moments they had the man subdued.</p>
+
+<p>Tom quickly briefed the security men on what had happened.</p>
+
+<p>"All right, mister, start talking!" snapped Radnor, head security
+police officer.</p>
+
+<p>The man's only reply was a scowl of rage.</p>
+
+<p>"Okay, take him away till he cools off," Tom ordered.</p>
+
+<p>Disheveled and still panting, the man was bundled into the jeep and
+driven off to the security building.</p>
+
+<p>
+Tom arrived there by motor scooter several minutes later. Harlan Ames,
+the slim, dark-haired
+<span class = "pagenum">24</span>
+<a name = "page24"> </a>
+security chief of Enterprises, had taken charge of the case, and the
+prisoner was now being fingerprinted and photographed.</p>
+
+<p>"Any leads?" Tom inquired.</p>
+
+<p>Ames shook his head. "He won't talk and we've nothing on him in our
+files. His clothes have no tags or laundry marks, but I'd say they're of
+foreign make."</p>
+
+<p>Tom nodded. "He's definitely foreign. He spoke with an accent and he
+also muttered something at Chow&mdash;I didn't catch it, but it
+certainly wasn't in English."</p>
+
+<p>Ames frowned. "I don't like the looks of this, skipper. He may be
+a&nbsp;spy."</p>
+
+<p>"Have you notified the police?" Tom asked.</p>
+
+<p>"Right. Also the FBI. They're on the way right now to pick him up.
+Maybe they'll be able to worm something out of&nbsp;him."</p>
+
+<p>Tom spent the morning in routine work in the big double office which
+he shared with his father in Enterprises' main building. It was equipped
+with huge twin modern desks, deep-pile carpeting, and roomy leather
+chairs.</p>
+
+<p>
+Each of the two inventors had his own drawing board, designed to swing
+out from the wall at the press of a button. Small scale models of some
+of their most famous inventions were also placed about the office,
+including a red-and-silver replica of Tom's first rocket ship, the
+<i>Star Spear</i>; a blue plastic model of the jetmarine in which he had
+<span class = "pagenum">25</span>
+<a name = "page25"> </a>
+fought a band of undersea pirates; and also a gleaming silvery model of
+Tom's latest, unique space craft, the <i>Cosmic Sailer</i>.</p>
+
+<p>Because of his father's absence in Washington, the burden of
+administering the vast experimental station now fell on Tom's youthful
+shoulders. Telephone calls, letters, and other detailed work occupied
+him until noon.</p>
+
+<p>Chow broke in, bringing a lunch tray with milk, a hot chicken
+sandwich, and a chocolate eclair. Tom ate hungrily.</p>
+
+<p>"Kind o' peps up the ole supercharger, eh?" said Chow, lingering to
+chat.</p>
+
+<p>"Sure does," Tom agreed.</p>
+
+<p>"Wal, jest remember that, an' don't go missin' any meals&mdash;or
+sleep, either," Chow advised as he gathered up the tray. "A brainy young
+hombre like you needs plenty o' rest an' vitamins to keep from burnin'
+himself&nbsp;out."</p>
+
+<p>"I'll remember." Tom grinned affectionately as the leathery-faced old
+Texan took his leave. The Swifts had first met Chow when they were on an
+atomic research expedition in the Southwest. Chow had become so attached
+to Tom that he had returned to Shopton with the Swifts as a permanent
+employee.</p>
+
+<p>Soon after Chow left the office, the telephone rang. Tom took the
+call and had just finished talking with Harlan Ames when Bud came
+strolling&nbsp;in.</p>
+
+<p>
+<span class = "pagenum">26</span>
+<a name = "page26"> </a>
+"Any more news on that nut who jumped you this morning?" the young flier
+asked. "Ames told me about&nbsp;it."</p>
+
+<p>"Not yet, but there may be soon," Tom said. "Harlan just phoned and
+said he'd had a call from Washington, asking us to stand by the
+videophone at one-thirty sharp."</p>
+
+<p>Ames arrived in person shortly before the scheduled time. Moments
+later, a red signal flashed on the control board of the Swifts' private
+TV network. Tom flicked on the videophone and two men appeared on the
+screen.</p>
+
+<p>One was Blake, the Swifts' Washington, D.C., telecaster. He
+introduced the other man, a calm-faced, balding individual in a dark
+suit.</p>
+
+<p>"This is John Thurston of the Central Intelligence Agency, Tom,"
+Blake said. "He thought it might be better to discuss this with you face
+to face."</p>
+
+<p>Tom, Bud, and Ames were also visible to the pair in Washington.</p>
+
+<p>"Glad to know you, sir," Tom said, and introduced his companions.</p>
+
+<p>"We've identified the man you captured this morning," Thurston began.
+"He's in the United States on a French passport under the name of
+Jacques Renard. But we've just learned from the International Police
+Organization that he's actually a Brungarian. His name is Samson
+Narko."</p>
+
+<p>
+<span class = "pagenum">27</span>
+<a name = "page27"> </a>
+Tom and Ames exchanged startled glances. In the past, certain Brungarian
+factions had been responsible for some of the most fiendish plots ever
+perpetrated against the Swifts.</p>
+
+<p>"Unfortunately, that's not all," Thurston went on. "Interpol believes
+that Narko is also a member of the same rebel outfit with whom you've
+had trouble before."</p>
+
+<p>Tom was dismayed by the news. "I sure thought that group had been
+smashed!" he said. Soon after Tom had balked their attempts to seize the
+satellite Nestria, the rebel ringleaders had reportedly been arrested
+and tried for treason.</p>
+
+<p>"It now appears," Thurston explained, "that only one segment was
+quelled. Other members of the antigovernment movement are active again
+and are said to be strongly organized."</p>
+
+<p>The CIA man related even more sinister news. It was suspected that a
+larger nation&mdash;by aiding the rebels&mdash;was planning a coup to
+take over Brungaria. They had already subverted various government
+agencies and were sending their own professors to staff the Brungarian
+technical schools. It was all part of their insidious fifth-column
+pattern.</p>
+
+<p>"Many top Brungarian officials have joined the plotters," Thurston
+added, "and it's now becoming very difficult for anyone to enter or
+leave the country."</p>
+
+<p>
+<span class = "pagenum">28</span>
+<a name = "page28"> </a>
+Ames asked for information on any rebel sympathizers known to be in the
+United States. Thurston was able to tell him very little.</p>
+
+<p>"We keep strict tabs, of course, on all Brungarians entering this
+country," Thurston explained. "But even though we screen them carefully,
+a rebel agent like Narko may slip in&mdash;usually on a stolen or faked
+passport."</p>
+
+<p>When the telecast ended, Tom, Bud, and Ames discussed the news
+grimly.</p>
+
+<p>"What if Narko has pals working with him?" Bud conjectured.</p>
+
+<p>"If he does," Tom said, "they may try carrying through Narko's
+mission."</p>
+
+<p>"I'll station extra guards around the outer wall on twenty-four-hour
+alert," Ames promised.</p>
+
+<p>Tom approved this measure wholeheartedly, but the purpose of Narko's
+secret mission remained a mystery. Why had he tried to force his way
+into Enterprises? What was he after? There was little hope of resolving
+these questions, since United States Intelligence had learned of the
+rebel movement itself only within the past few days. Thurston had asked
+Tom and his companions to treat the information as confidential.</p>
+
+<p>"I'd better get back to work," Tom decided after Bud and Ames had
+left his office. Tom sat down at his drawing board and began to sketch
+out some rough ideas for a vehicle to house the "brain energy" from
+space.</p>
+
+<p>
+<span class = "pagenum">29</span>
+<a name = "page29"> </a>
+Tom wondered if the brain would be able to perform actions by itself,
+given the proper mechanical output devices. Or would he have to help it
+function via an electronic computer to digest incoming information or
+stimuli and then to respond through servo controls?</p>
+
+<p>The problem was so baffling and complex that Tom became completely
+oblivious to the passage of time. He sketched out plan after plan, only
+to crumple and discard each&nbsp;one.</p>
+
+<p>Suddenly a disturbing thought jarred the young inventor out of his
+concentration. Perhaps the Brungarian rebel scientists had now figured
+out how to decode the radio messages from the Swifts' space friends!</p>
+
+<p>If so, when the brain energy was launched toward earth, they might
+try to divert it to their own receiving setup!</p>
+
+
+
+
+<span class = "pagenum">30</span>
+<a name = "page30"> </a>
+<h5 class = "left chapter"><a name = "chap_4">CHAPTER IV</a></h5>
+<h4>ANOTHER TREMOR!</h4>
+
+
+<p><span class = "firstword">Tom</span>
+was appalled at this new danger. Shoving his drawing board back into its
+wall slot, the young inventor hurried to his desk and made a number of
+telephone calls.</p>
+
+<p>Within minutes, a group of five of his most trusted associates had
+assembled in Tom's office. First to arrive were Bud Barclay, Ames, and
+George Dilling, the Swifts' communications chief. They were joined
+moments later by Hank Sterling, the square-jawed chief engineer and
+trouble shooter of Enterprises, and Arvid Hanson.</p>
+
+<p>Hanson, a hulking six-footer, made all the delicate scale models of
+Tom Jr.'s and Tom Sr.'s inventions. He was not only an expert craftsman,
+but, like all the Swifts' key men, a trained aircraft and space pilot as
+well.</p>
+
+<p>"What's up, skipper?" Bud asked.</p>
+
+<p>
+<span class = "pagenum">31</span>
+<a name = "page31"> </a>
+"I guess you might call this a council of war," Tom replied.</p>
+
+<p>He divulged his fears that Brungarian scientists might hijack the
+brain energy to be sent from Planet X, home of the Swifts' unknown space
+friends.</p>
+
+<p>"Bud, you recall Mother's remark last night about the danger that
+this energy may prove overwhelmingly powerful," Tom went on. "Well, just
+suppose that our Brungarian pals fit it out in robot form, then turn it
+loose against us or our friends in other countries."</p>
+
+<p>Bud gave an awed whistle. "Boy, a thing like that might make even a
+powerful missile look like a toy!"</p>
+
+<p>Even if the brain energy proved too small to be harnessed for
+destructive purposes, Tom went on, it might turn out to possess
+superintelligence. Gifted with all the scientific know-how of the space
+people, it might be made to reveal those secrets to the Brungarians.</p>
+
+<p>"They might learn from it how to construct weapons or space craft
+powerful enough to conquer the free world!" Tom ended.</p>
+
+<p>His listeners were grim-faced at the thought.</p>
+
+<p>"I'd say that's a far worse danger than any chance of their coming up
+with a robot monster," Ames said.</p>
+
+<p>"Ditto!" Hanson agreed.</p>
+
+<p>
+"I think so too," Tom replied. "In any case,
+<span class = "pagenum">32</span>
+<a name = "page32"> </a>
+it's up to us to make sure the Brungarians don't switch that energy off
+course before it lands here."</p>
+
+<p>"Think their scientists are capable of such a stunt?" George Dilling
+inquired.</p>
+
+<p>Tom shrugged. "They're certainly far advanced in the fields of rocket
+guidance and telemetry. But actually we just don't know."</p>
+
+<p>Hank Sterling glanced hopefully at the young inventor. "Got any
+ideas, skipper?" he asked.</p>
+
+<p>Tom drummed a pencil on the table thoughtfully before replying.
+"Maybe our best bet is first to find out all we can about the lines of
+research on which they're concentrating. That might be the tip-off."</p>
+
+<p>After a thorough discussion, it was decided that Ames and Dilling
+would fly to Washington at once and talk to the FBI and Central
+Intelligence. Their job would be to garner and piece together every
+scrap of information on Brungarian scientists' accomplishments.</p>
+
+<p>"Let us know as soon as you get a general picture," Tom said.</p>
+
+<p>Ames and Dilling promised to do so, and the meeting
+broke&nbsp;up.</p>
+
+<p>Feeling somewhat reassured now that a definite plan of action had
+been decided upon, Tom resumed work on his sketches. Although both the
+problem and the solution were still hazy in his mind, a few ideas began
+to take shape.</p>
+
+<p>
+A radio antenna would certainly be needed, to
+<span class = "pagenum">33</span>
+<a name = "page33"> </a>
+receive or transmit signals at a distance. And repelatron units would
+give the brain a way to exert force when it wanted to act. These were
+devices which Tom had invented to produce a repulsion-force ray. He had
+used the principle in both air and space flight.</p>
+
+<p>A power plant might also be needed to generate additional energy in
+case the brain's own energy was very small. Lastly, there would have to
+be a control system for use either by the brain itself or by its human
+operators.</p>
+
+<p>After an hour of work at top speed, Tom was rather pleased with one
+rough sketch. He was mulling over the idea when Chow Winkler and Bud
+Barclay wandered into the office. Both were impressed when Tom explained
+the sketch.</p>
+
+<p>Chow stared at it, goggle-eyed at the thought of such a contraption
+"coming to life." "So that's the Ole Think Box, eh?" he muttered.</p>
+
+<p>Tom laughed. "Good name, Chow!"</p>
+
+<p>All three were startled as a voice suddenly broke in over the wall
+intercom. It was the operator on duty at the plant's communication
+center.</p>
+
+<p>"Turn on your TV, skipper," the operator suggested. "We've just had a
+news bulletin that an earthquake tremor has been felt over in Medfield.
+There's a big plant there that makes rocket nose cones. A mobile TV
+crew's been rushed to the scene in a helicopter and they're trying to
+pick up the action with a television camera."</p>
+
+<p>
+<span class = "pagenum">34</span>
+<a name = "page34"> </a>
+"Good night! Another quake?" Bud gasped.</p>
+
+<p>Tom had already rushed to the videophone. Flicking it on, he switched
+to a commercial channel. Soon a picture appeared on the screen. It was a
+panoramic shot of a landscape, evidently viewed from a hovering
+aircraft, with a large industrial plant just below.</p>
+
+<p>A TV commentator's voice was reporting developments. "Few visible
+signs of a tremor," he said. "As you can see, the rocket-plant personnel
+and the people of Medfield are making desperate attempts to evacuate.
+Fortunately, most of them have already left the immediate area."</p>
+
+<p>A few cars and trucks could still be seen speeding along the
+ribbonlike roads within view of the hovering television camera.</p>
+
+<p>"Oh&mdash;oh!" The commentator's voice broke in again. "Notice that
+tall stack just over the plant&mdash;see how it's starting to
+tremble!... It's beginning to crumble!... This must be it!"</p>
+
+<p>Suddenly the whole scene seemed to explode. Plant buildings collapsed
+like toy houses built of cards, while at the same time huge rocks and
+trees were uprooted as a yawning crack opened in the ground below.</p>
+
+<p>The three watchers in Tom's office stared in horrified dismay. But a
+moment later the picture on the TV screen became jerky and distorted,
+then faded out completely.</p>
+
+<p>
+After a brief interval, a studio announcer came
+<span class = "pagenum">35</span>
+<a name = "page35"> </a>
+on. "The relay transmitter must have been knocked out by the quake. We
+return you now to our regularly scheduled program, but will keep you
+informed as bulletins come&nbsp;in."</p>
+
+<p>"Great balls o' fire!" Chow gulped as Tom turned off the set.
+"I&nbsp;sure hope all o' those poor folks in cars got away safe!"</p>
+
+<p>Tom rushed to a wall shelf and pulled out a book on geology. He
+leafed quickly to a section dealing with known earthquake faults and the
+distribution of quakes. When he looked up at the others, his face was
+grim.</p>
+
+<p>"What's wrong, skipper?" Bud asked tensely.</p>
+
+<p>"That quake," Tom replied, "wasn't in a patterned zone any more than
+the Faber one was!"</p>
+
+<p>Chow's jaw dropped open in a comic look of dismay. "You mean this
+here ole earth we live on is gettin' all busted up an' twisted around
+inside?"</p>
+
+<p>"I wish I knew, Chow!" Tom paced worriedly about the office. "It just
+seems queer to me that both of those quakes should have destroyed vital
+defense factories!"</p>
+
+<p>On a sudden impulse, Tom snatched up the telephone. His two
+companions listened as he put through a call to the FBI in Washington.
+Within moments, a friend at the Bureau, Wes Norris, came on the
+line.</p>
+
+<p>
+"Look, Wes," Tom said, "is there any chance this quake that just
+happened at Medfield and the earlier one at Faber Electronics might have
+<span class = "pagenum">36</span>
+<a name = "page36"> </a>
+been caused by underground H-bomb blasts?"</p>
+
+<p>"As a matter of fact, we're checking on that very possibility,"
+Norris replied. "In other words, sabotage. Things are pretty hot around
+here since that news on Medfield came in, so I can't talk much right
+now, Tom. But I can tell you this," Wes concluded, "we <i>are</i>
+investigating, and I do mean thoroughly!"</p>
+
+<p>Bud and Chow were shocked when Tom reported his conversation with the
+FBI agent.</p>
+
+<p>"Brand my rattlesnake stew!" Chow exploded. "Any ornery varmint
+that'd cause an earthquake ought to be strung up like a hoss thief!"</p>
+
+<p>"I agree, Chow," Tom said. "But how do we find out for sure?"</p>
+
+<p>After closing time at the plant, Bud drove home with Tom. Both Mrs.
+Swift and Sandy were upset as the boys discussed the situation.</p>
+
+<p>"Tom, if this was deliberate," Mrs. Swift pointed out, "Enterprises
+may be next on the enemy's list!"</p>
+
+<p>Tom did his best to allay his mother's fears, but inwardly he himself
+felt apprehensive. Any large-scale sabotage plot would be almost certain
+to include Swift Enterprises, America's most daring and advanced
+research center.</p>
+
+<p>
+When his mother went upstairs to her room, Tom suggested to Bud that
+they drive to the nearby State Police post. Here he confided his
+<span class = "pagenum">37</span>
+<a name = "page37"> </a>
+fears to Captain Rock, an old friend of the Swifts.</p>
+
+<p>"You have some request in mind?" Captain Rock inquired.</p>
+
+<p>"How about making a search for any signs of suspicious digging or
+underground activity in the vicinity of Shopton?" Tom said. "There would
+have to be an excavation of some sort in order to set off an underground
+blast."</p>
+
+<p>Captain Rock mulled over Tom's suggestion. "Sounds like a big job,
+but I'm afraid you're right, Tom. We can't risk a similar disaster
+here."</p>
+
+<p>"We'd better move fast, too," Bud put in. "Those two quakes so far
+came only a day apart!"</p>
+
+<p>Rock picked up the telephone and barked out orders. Within half an
+hour, several carloads of troopers were covering the outlying roads that
+converged on Shopton. Firemen and Chief Slater's town police force were
+also pressed into action. They would search every cellar in town for
+signs of recent digging.</p>
+
+<p>Bud rode in one police car and Tom in another as a house-to-house
+search was conducted along the highway that ran past Enterprises.</p>
+
+<p>At one weather-beaten house, where Bud stopped with a state trooper,
+an old man came to the door.</p>
+
+<p>"What you fellers prowlin' around for?" he asked.</p>
+
+<p>
+"Bomb emergency," the trooper said laconically.
+<span class = "pagenum">38</span>
+<a name = "page38"> </a>
+"We have orders to search every house cellar for underground
+openings."</p>
+
+<p>Grumbling, the old man let them enter. He followed them down a
+rickety stairway. A moment later Bud stumbled and gave a yell. The
+trooper swung around just in time to see Bud drop from view!</p>
+
+
+
+
+<span class = "pagenum">39</span>
+<a name = "page39"> </a>
+<h5 class = "left chapter"><a name = "chap_5">CHAPTER V</a></h5>
+<h4>SECRET CACHE</h4>
+
+
+<p><span class = "firstword">As</span>
+the trooper's flashlight stabbed through the cellar gloom at the spot
+where Bud had disappeared, there came a loud splash! The light showed a
+round hole in the floor, rimmed by a low circle of brickwork.</p>
+
+<p>"What's that hole?" the trooper snapped at the owner.</p>
+
+<p>"What does it look like?" the elderly man snapped back. "It's an old
+well."</p>
+
+<p>"A <i>well!</i>" the trooper exclaimed as he rushed to the spot. "And
+not even covered? What're you trying to do&mdash;kill people?"</p>
+
+<p>The old man sniffed. "Used to be covered, but the lid's gone. Didn't
+expect to have a bunch of nosy fellers pokin' around down here!"</p>
+
+<p>
+The state trooper muttered angrily under his breath as he shone his
+flashlight into the well-shaft.
+<span class = "pagenum">40</span>
+<a name = "page40"> </a>
+Bud was splashing around below, soaked and chagrined by his
+accident.</p>
+
+<p>"Give me a hand!" he called up.</p>
+
+<p>The trooper reached down, but was barely able to touch Bud's finger
+tips. To make matters worse, the sides of the well were slippery with
+moss.</p>
+
+<p>"Get a rope," the trooper ordered the old&nbsp;man.</p>
+
+<p>"Ain't got one."</p>
+
+<p>The policeman reddened and stood up to his full six-foot-two. "Look,
+mister&mdash;what's your name?"</p>
+
+<p>The elderly man shrank back, as if suspecting that the trooper's
+patience might have been tried too far. "Ben Smith," he mumbled.</p>
+
+<p>"Okay, Mr. Smith, you get a rope or something else to pull this boy
+out. And fast!"</p>
+
+<p>Ben Smith gulped on his chewing tobacco and hurried off. A minute or
+so later he returned with a length of clothesline. The trooper lowered
+it into the well and Bud was soon climbing out, looking like a
+drenched&nbsp;rat.</p>
+
+<p>"Sorry, son," Smith said apologetically. "Guess I should have
+warned&nbsp;ye."</p>
+
+<p>Bud chuckled good-naturedly. "It's all right," he said. "It was my
+own fault for not watching where I was going. Besides, you can't blame
+an American for not liking the idea of having his home searched."</p>
+
+<p>
+The old man chuckled too and flashed a wary
+<span class = "pagenum">41</span>
+<a name = "page41"> </a>
+eye at the trooper. "I'll go get ye a towel to dry off with," he
+told&nbsp;Bud.</p>
+
+<p>Meanwhile, Tom was investigating a house down the road with another
+state trooper. The owner, a paunchy unshaven bachelor named Pete Latty,
+and his seventeen-year-old nephew accompanied them to the basement.</p>
+
+<p>A naked light bulb, hanging from the ceiling, revealed an ancient
+furnace, and an accumulation of junk. Most of it was covered with dust,
+but Tom noticed a large packing crate that looked as if it had been
+freshly moved. He walked over and began to shove the heavy box
+aside.</p>
+
+<p>"What're you doing?" Latty asked gruffly.</p>
+
+<p>"I want to look underneath," Tom replied. A second later his eyes
+widened as he saw a trap door, evidently leading to a subcellar.</p>
+
+<p>Tom beckoned his partner over and showed his discovery. "Where does
+this lead to?" the trooper asked, turning back to Latty.</p>
+
+<p>"Just a little storage place," the owner replied with a shrug.
+"I&nbsp;didn't think it was worth mentioning. You'd better not go down
+there," he added hastily. "The steps ain't safe."</p>
+
+<p>"Just the same, we'll take a look," the trooper said.</p>
+
+<p>"Then do it at your own risk!" Latty snapped.</p>
+
+<p>
+The officer pulled up the trap door and Tom shone a light down. The
+shallow dirt-walled room
+<span class = "pagenum">42</span>
+<a name = "page42"> </a>
+below was about six feet square. On the floor, at the foot of a short
+rickety ladder, lay a large bundle wrapped in a tarpaulin.</p>
+
+<p>Tom descended the ladder cautiously and opened the tarpaulin to see
+what was inside. The contents made him gasp&mdash;a large, well-oiled
+collection of rifles and pistols!</p>
+
+<p>Looking up, Tom saw both the state trooper and Latty peering down at
+him&mdash;the trooper openmouthed with surprise, Latty scowling
+nervously.</p>
+
+<p>"Don't touch 'em!" Latty warned. "Some are loaded. I keep 'em hidden
+for safety, but sometimes my nephew Fred here and I have target
+practice."</p>
+
+<p>Just then Tom's keen eyes spotted a slip of paper tucked among the
+guns. He pulled it out. His heart gave a leap of excitement as he saw
+two words written on the paper&mdash;<i>Samson Narko!</i></p>
+
+<p>Hiding his amazement, Tom read the name aloud and added casually,
+"What's this? The make of one of the guns?"</p>
+
+<p>"Uh, yeah&mdash;that's right," the man replied.</p>
+
+<p>Without comment, Tom climbed out of the subcellar. As he bent down to
+drop the trap door, Tom flashed the officer a signal. Instantly the
+trooper grabbed Latty.</p>
+
+<p>
+"Hey! Why the rough stuff?" the prisoner exclaimed. Then, as he realized
+the officer was about to handcuff him, the man's face turned pasty
+<span class = "pagenum">43</span>
+<a name = "page43"> </a>
+white. He pulled free from the trooper's grasp and bolted toward the
+stairway. His nephew stood as if paralyzed at the sudden turn of
+events.</p>
+
+<p>Latty's attempt at flight was hopeless. Tom quickly brought him down
+with a flying tackle.</p>
+
+<p>
+<span class = "picture">
+<img src = "images/pic43.jpg" width = "342" height = "356"
+alt = "(Tom finds Latty's store of weapons)"></span>
+Later, after Latty had been manacled, Tom helped him up. "In case you
+don't know it," the young inventory said coldly, "your friend Narko is
+in jail, so you may as well talk. What's the pitch?"</p>
+
+<p>
+<span class = "pagenum">44</span>
+<a name = "page44"> </a>
+Latty was trembling and still pale. "I&mdash;I d-didn't know there'd be
+any trouble with the cops or I'd never have done it," he quavered.
+"Narko offered me some dough to hide the guns. I needed money, so I took
+him up. That's all there was to&nbsp;it."</p>
+
+<p>"How long have you known this Narko?" Tom asked.</p>
+
+<p>"I met him a few days ago in a restaurant. Believe me, I'd never laid
+eyes on him before. And I wish I never had!" Latty added bitterly.</p>
+
+<p>The man's story had a ring of truth. "All right, Officer, let's take
+him in," Tom said. To the still-astounded Fred, he added, "We're sorry
+about this."</p>
+
+<p>Two hours later Tom and Bud sat in Chief Slater's office at Shopton
+police headquarters. Captain Rock and the Shopton fire chief were also
+on hand.</p>
+
+<p>"We've had troopers, detectives, and fire inspectors swarming all
+over Latty's place," Captain Rock reported. "They examined his house,
+the garage, two sheds out back, and every inch of the grounds. But
+there's no indication of any place where a bomb might have been planted
+to cause an underground explosion in Shopton."</p>
+
+<p>The fire chief nodded confirmation. "So that clue peters out," he
+said.</p>
+
+<p>
+With the waning of daylight, the other groups had finally abandoned
+their search of the Shopton
+<span class = "pagenum">45</span>
+<a name = "page45"> </a>
+area without turning up any information. "I'll notify the FBI
+immediately," Chief Slater said.</p>
+
+<p>Nevertheless, he promised that his men would continue their efforts
+the next&nbsp;day.</p>
+
+<p>"Even if we find nothing more, that arms cache was worth all the
+trouble," Slater added. "The country owes you a vote of thanks, Tom. A
+bunch of enemy agents could have hurt a lot of people with an arsenal
+like that!"</p>
+
+<p>"That's for sure," Captain Rock agreed. "It was a good day's
+haul,&nbsp;Tom."</p>
+
+<p>The two boys drove back to the Swift home and had a quick shower. Bud
+borrowed clean clothes from Tom. Then they sat down to enjoy a warmed-up
+but tasty supper, served by Sandy and Mrs. Swift.</p>
+
+<p>As they ate, the boys listened to music on the radio, interspersed
+with eager questions from Sandy about the bomb search.</p>
+
+<p>Suddenly the radio announcer broke in. "We interrupt this broadcast
+to bring you an important news bulletin!"</p>
+
+
+
+
+<span class = "pagenum">46</span>
+<a name = "page46"> </a>
+<h5 class = "left chapter"><a name = "chap_6">CHAPTER VI</a></h5>
+<h4>BRUNGARIAN COUP</h4>
+
+
+<p><span class = "firstword">Tom,</span>
+Sandy, and Bud listened as the radio announcer continued:</p>
+
+<p>"Reports just in say that Brungaria has been taken over by a rebel
+group. Military aid to support the rebel coup is pouring in from
+Maurevia, Brungaria's powerful province in the north. The Brungarian
+prime minister, his cabinet, and all loyal administrative personnel have
+fled or been arrested.</p>
+
+<p>"Worried United States State Department officials admit that the
+surprise coup poses a new and dangerous threat to free-world security.
+Further news reports will be broadcast as soon as they reach this
+station," the announcer ended.</p>
+
+<p>For a moment Tom and Bud were too stunned to speak. Sandy was
+wide-eyed with the realization that the news spelled trouble for Swift
+Enterprises and all America.</p>
+
+<p>
+<span class = "pagenum">47</span>
+<a name = "page47"> </a>
+"Looks as though that CIA man who briefed us wasn't kidding, eh,
+skipper?" Bud muttered at last.</p>
+
+<p>"It came sooner than he expected!" Tom said.</p>
+
+<p>Jumping up from the table, Tom switched off the radio and hurried to
+the hall telephone. In a few moments he managed to get a long-distance
+call through to Wes Norris of the&nbsp;FBI.</p>
+
+<p>"Is the news on this Brungarian coup as bad as it sounds, Wes?" Tom
+inquired.</p>
+
+<p>"Worse! That rebel bunch really has it in for us, as you know, Tom,"
+Norris replied. "They envy America and they'll move heaven and earth to
+steal our scientific secrets. This could touch off a whole epidemic of
+sabotage and other spy activity!"</p>
+
+<p>Tom's jaw clenched grimly. He then asked the FBI man his opinion
+about the discovery of the secret arms cache in Pete Latty's
+basement.</p>
+
+<p>Norris admitted he was puzzled. "It doesn't add up, Tom," the FBI
+agent said thoughtfully. "If our enemies were planning to destroy
+Shopton by a quake, why would anyone be needing a&nbsp;gun?"</p>
+
+<p>"I can't figure it myself, Wes&mdash;unless they were planning to
+raid and loot Enterprises after the place was thrown into disorder," Tom
+deduced. "What about Narko himself? Has he talked&nbsp;yet?"</p>
+
+<p>Norris replied that although he had not interviewed Narko himself,
+FBI agents who had grilled the spy had failed to elicit any
+information.</p>
+
+<p>
+<span class = "pagenum">48</span>
+<a name = "page48"> </a>
+"Here's something else, though, which might interest you," Norris went
+on. "We now have reports that at the time of the Harkness and Medfield
+disasters, seismographs recorded simultaneous quakes off the coast of
+Alaska near the Aleutian chain. Tremors were also felt off the southwest
+coast of South America."</p>
+
+<p>A new factor to consider! Tom frowned in puzzlement as he hung up the
+telephone after completing his talk with the FBI&nbsp;man.</p>
+
+<p>After Tom had repeated the conversation to his companions, Bud said,
+"You mean the H-bomb idea goes out the window?"</p>
+
+<p>Tom shrugged. "Wes says they've found no evidence to support the
+theory of man-produced underground blasts. It just doesn't jibe with
+those other remote tremors. They'd be too much of a coincidence,
+happening at the same time!"</p>
+
+<p>"Then the quakes at Harkness and Medfield were real earthquakes!"
+Sandy put&nbsp;in.</p>
+
+<p>"Looks that way," Tom admitted. "Those other tremors Wes mentioned
+follow a natural circum-Pacific belt which is well known to
+seismologists. I'm no expert, but perhaps they could have set off chain
+reactions below the earth's crust which triggered the two quakes in this
+part of the country."</p>
+
+<p>
+In that case, the young inventor reflected, it was only a freak of
+nature that the Faber and nose-cone factories had been wrecked by the
+shock. But in
+<span class = "pagenum">49</span>
+<a name = "page49"> </a>
+spite of the seismographic clues, Tom was not entirely convinced. A
+nagging doubt still buzzed in the back of his mind.</p>
+
+<p>The next morning Tom hurried off to his private glass-walled
+laboratory at Enterprises, eager to continue work on his container, or
+robot body, for the brain from space.</p>
+
+<p>Tom frowned as he studied the rough sketch he had drawn in his office
+the afternoon before. "This setup's full of bugs!" he muttered.</p>
+
+<p>Nevertheless, Tom decided, the basic idea was sound. Grabbing pencil
+and slide rule, he began to dash off page after page of diagrams and
+equations.</p>
+
+<p>"Chow down!" boomed a foghorn voice. Chow Winkler, wearing a white
+chef's hat, wheeled a lunch cart into the&nbsp;lab.</p>
+
+<p>"Oh... thanks." Tom scarcely looked up from his work as the cook set
+out an appetizing meal of Texas hash, milk, and deep-dish apple pie on
+the bench beside the young inventor's papers. Grumbling under his
+breath, Chow sauntered&nbsp;out.</p>
+
+<p>Tom went on working intently between mouthfuls. In another hour he
+finished a set of pilot drawings. Then he called Hank Sterling and Arvid
+Hanson and asked them to come to the laboratory.</p>
+
+<p>They listened with keen interest as Tom explained his latest
+creation.</p>
+
+<p>
+<span class = "pagenum">50</span>
+<a name = "page50"> </a>
+"No telling if it will work when the energy arrives from space," Tom
+said, "but I think everything tracks okay. Hank, get these plans
+blueprinted and assign an electronics group to the project. You'd better
+handle the hardware yourself."</p>
+
+<p>"Right." Hank rolled up the sketches.</p>
+
+<p>"And, Arv," Tom went on, "I'd like a scale model made to guide them
+on assembly. How soon can you have&nbsp;it?"</p>
+
+<p>Hanson promised the model for some time the next day, and the two men
+hurried&nbsp;off.</p>
+
+<p>As usual, Arv proved slightly better than his word. The expert
+modelmaker was devoted to his craft and as apt to forget the clock as
+Tom himself, when absorbed in a new project. By working on in his shop
+long after closing hours, Hanson had a desk-size model of the
+space-brain robot ready for Tom's inspection when the young inventor
+arrived at the plant early the following morning.</p>
+
+<p>"Wonderful, Arv!" Tom approved. "Every time I see one of your models
+of a new invention, I'm <i>sure</i> it'll work!" Hanson grinned, pleased
+at the compliment.</p>
+
+<p>Tom hopped into a jeep and sped across the plant grounds to deliver
+the model to Hank Sterling and his project crew. Work was already well
+along on the electronic subassemblies and the strange-looking "body" was
+taking shape.</p>
+
+<p>
+<span class = "pagenum">51</span>
+<a name = "page51"> </a>
+That afternoon Ames and Dilling returned from Washington. The report
+they gave to Tom bore out his hunch that the rebel Brungarian scientists
+might well be able to divert the space energy.</p>
+
+<p>The next day was Friday. Tom was hoping, although none too
+optimistically, that the container might be completed before the week
+end. To his delight, an Enterprises pickup truck pulled up outside the
+laboratory later that afternoon and Hank rolled the queer-looking device
+inside.</p>
+
+<p>"Hi, buster!" Tom greeted it. "Is this your daddy?"</p>
+
+<p>Hank chuckled. "Don't look at me. It claims <i>you're</i> its daddy.
+But hanged if I can see much resemblance!"</p>
+
+<p>"Think it'll live?"</p>
+
+<p>"If not," Hank replied, only half jokingly, "the boys who worked on
+it will sure be disappointed. No kidding, skipper, that's quite a gadget
+you dreamed up!"</p>
+
+<p>The device stood about shoulder-high, with a star-shaped head, one
+point of which could be opened. The head would contain the actual brain
+energy. Its upper body, cylindrical in shape and of gleaming chrome,
+housed the output units through which the brain would react, and also
+the controls. Antennas projecting out on either side gave the look of
+arms.</p>
+
+<p>
+Its "waist" was girdled with a ring of repelatron
+<span class = "pagenum">52</span>
+<a name = "page52"> </a>
+radiators for exerting a repulsion force when it wanted to move, by
+repelling itself away from nearby objects.</p>
+
+<p>Below the repelatrons was an hourglass-shaped power unit, housing a
+solar-charged battery.</p>
+
+<p>The power unit, in turn, was mounted on a pancake-shaped
+transportation unit. This unit was equipped with both casters and a sort
+of caterpillar-crawler arrangement for the contrivance to get about over
+obstacles. Inside was a gyro-stabilizer to keep the whole device
+upright.</p>
+
+<p>Tom felt a glow of pride&mdash;and eager impatience&mdash;as he
+inspected the device. If it worked as he hoped, this odd creature might
+one day provide earth scientists with a priceless store of information
+about intelligent life on Planet X!</p>
+
+<p>Bud and Chow, entering the laboratory soon after Hank Sterling had
+left, found Tom still engrossed in his thoughts.</p>
+
+<p>"Wow! Is this your spaceman?" Bud inquired.</p>
+
+<p>Tom nodded, then grinned at his callers' gaping expressions. Each was
+trying to imagine how the "thing" would look in action.</p>
+
+<p>"Sure is a queer-lookin' buckaroo!" Chow commented, when Tom finished
+explaining how it was supposed to work.</p>
+
+<p>
+On a sudden impulse, the old cowpoke took off his ten-gallon hat and
+plumped it on the creature. Then he removed his polka-dotted red
+bandanna
+<span class = "pagenum">53</span>
+<a name = "page53"> </a>
+and knotted it like a neckerchief just below the star head.</p>
+
+<p>Tom laughed heartily as Bud howled, "Ride 'em, spaceman!"</p>
+
+<p>Tom was eager to notify his mysterious space friends that the
+container was now ready to receive the brain energy. Bud went with him
+by jeep to the space-communications laboratory. Chow, however, stayed
+behind and stared in fascination at the odd-looking robot creature.</p>
+
+<p>The stout cook walked back and forth, eying the thing suspiciously
+from every angle. "Wonder what the critter eats?" he muttered.</p>
+
+<p>Feeling in his shirt pocket, Chow brought out a wad of his favorite
+bubble gum. Should he or shouldn't he? "Shucks, won't hurt to try," the
+old Texan decided.</p>
+
+<p>Chow unlocked the hinged point of the star head and popped the gum
+inside. He was somewhat disappointed when nothing happened. Feeling a
+trifle foolish, Chow finally removed his hat and bandanna from the
+creature and stumped&nbsp;off.</p>
+
+<p>
+Meanwhile, in the space-communications laboratory, Tom was pounding out
+a message on the keyboard of the electronic brain. Tom had invented this
+device for automatically coding and decoding messages between the Swifts
+and their space friends. It was connected to a powerful
+transmitting-and-receiving apparatus, served by a
+<span class = "pagenum">54</span>
+<a name = "page54"> </a>
+huge radio-telescope antenna mounted atop the communications
+building.</p>
+
+<p>Bud looked on as Tom signaled:</p>
+
+<blockquote>
+TOM SWIFT TO SPACE FRIENDS. CONTAINER FOR ENERGY IS NOW READY. SHOULD IT
+BE PLACED OUTDOORS?
+</blockquote>
+
+<p class = "space">
+Stirred by a worrisome afterthought, Tom added:</p>
+
+<blockquote>
+MESSAGES MAY BE INTERCEPTED BY ENEMY WHO WISHES TO STEAL ENERGY. SUGGEST
+YOU USE FLIGHT PATH TO LAND EXACTLY TWO MILES WEST OF FIRST CONTACT WITH
+US.
+</blockquote>
+
+<p class = "space">
+"By 'first contact,' you mean when that black missile landed at
+Enterprises?" Bud asked.</p>
+
+<p>Tom nodded. At that time, he reminded Bud, the Brungarians and their
+conquerors had not yet learned of the Swifts' communication from another
+planet. Hence they would have no idea of the site referred
+to&mdash;which would hamper any plans to kidnap the brain energy.</p>
+
+<p>"I get it," Bud said. "Smart idea, pal!"</p>
+
+<p>Tensely the two boys waited for a reply from outer space.</p>
+
+
+
+
+<span class = "pagenum">55</span>
+<a name = "page55"> </a>
+<h5 class = "left chapter"><a name = "chap_7">CHAPTER VII</a></h5>
+<h4>WALL OF WATER!</h4>
+
+
+<p><span class = "firstword">Minutes</span>
+went by before the signal bell rang on the electronic brain. Both Tom
+and Bud dashed over to the machine as it began to spell out the incoming
+message on tape:</p>
+
+<blockquote>
+ENERGY WILL COME TO THE SPOT YOU SUGGESTED. WE CAN CONTROL FLIGHT COURSE
+BUT WHILE THE ENERGY IS ON EARTH YOU WILL BE IN CHARGE. WE WILL HAVE NO
+CONTROL FOR TWENTY-ONE DAYS. THEN WE WILL RECALL ENERGY TO BRING US
+IMPRESSIONS AND DATA OF YOUR WORLD.
+</blockquote>
+
+<p class = "space">
+The two boys stared at each other excitedly as the transmission
+ended.</p>
+
+<p>"Wow!" Bud murmured. "If Planet X is a peaceful place, Ole Think Box
+is sure in for a jolt here on earth!"</p>
+
+
+<p>
+<span class = "pagenum">56</span>
+<a name = "page56"> </a>
+Tom grinned fleetingly at the reference to Chow's nickname for the robot
+creature. Then he became serious, knowing that Bud's words were all too
+true. The space visitor might also take back impressions of the
+suffering and warlike threats that some earth countries inflict on one
+another. Maybe one day, Tom reflected, it would be different.</p>
+
+<p>In the meantime, the young inventor realized he had an awesome
+responsibility. He must not only make the best use of the brain energy
+during its stay on earth, but also keep it from falling into the hands
+of treacherous Brungarian plotters.</p>
+
+<p>Tom's thoughts were suddenly interrupted by the sound of girls'
+voices. Sandy and Phyl were standing in the doorway of the
+space-communications laboratory.</p>
+
+<p>"Talk about deep thinkers!" Sandy said teasingly.</p>
+
+<p>"Goodness, we had no idea we'd be interrupting a session of the brain
+trust," Phyl added with a mischievous sparkle in her brown eyes. "Maybe
+we should go away again, Sandy!"</p>
+
+<p>"Hey! Hold it, you two!" Bud exclaimed. "What do you think,
+Tom&mdash;are these the visitors we've been expecting from outer
+space?"</p>
+
+<p>"Well! I like that!" Sandy pouted. "Do we look like a couple of
+little green people?"</p>
+
+<p>
+Tom chuckled and seized the opportunity to do a little teasing of his
+own. "I&nbsp;think it's just your
+<span class = "pagenum">57</span>
+<a name = "page57"> </a>
+pointed heads that fooled us, Sis." Then, as the two girls broke down in
+laughter, he added, "Why the unexpected visit?"</p>
+
+<p>Sandy and Phyl explained that they had come to invite the boys to a
+picnic cruise on Lake Carlopa the next&nbsp;day.</p>
+
+<p>"And while we're here, since it's practically quitting time anyhow,"
+Sandy went on, her blue eyes twinkling, "we might even let you drive us
+some place for dinner."</p>
+
+<p>"Guess they've trapped us, Bud," Tom said with a grin. "Okay, it's a
+deal. But first we have something to show you." He took the girls to his
+laboratory to show them the robot creature.</p>
+
+<p>"It's marvelous!" Sandy exclaimed, and Phyl agreed.</p>
+
+<p>Early the next morning Bud called for Tom and Sandy in his tomato-red
+convertible. Then they stopped at the Newtons' house to pick up Phyl.
+Each girl had packed a picnic basket for the day's sail.</p>
+
+<p>"Hmm. Looks as though we're going to be well fed," Bud commented
+jokingly. "What's on the menu, girls?"</p>
+
+<p>"Chicken and ham sandwiches..." Sandy began.</p>
+
+<p>"Pickles, olives, hard-boiled eggs, potato salad..." Phyl
+went&nbsp;on.</p>
+
+<p>"Chocolate cake, milk..." Sandy took up the list.</p>
+
+<p>
+<span class = "pagenum">58</span>
+<a name = "page58"> </a>
+"Stop! You have us hungry as bears already!" Tom warned.</p>
+
+<p>"Right!" Bud agreed. "Come on! Let's get this cruise under way!"</p>
+
+<p>The two couples drove to the Shopton Yacht Club dock on Lake Carlopa.
+There they boarded the <i>Sunspot</i>, a beautiful thirty-foot sailing
+ketch with auxiliary engine which Mr. Swift and Mr. Newton had purchased
+for a frequently promised but not yet realized joint family
+vacation.</p>
+
+<p>The craft was equipped with twin gravitex stabilizers, mounted one on
+each side of the hull. These gave it amazing smoothness even when
+plowing through rough seas. They were adaptations of a device Tom had
+invented for his space kite and <i>Cosmic Sailer</i>.</p>
+
+<p>"Oh, what a gorgeous day for a sail!" Phyl said, aglow with
+enthusiasm.</p>
+
+<p>The sky was a cloudless blue. Under a hot summer sun, a brisk breeze
+was ruffling the lake into tiny whitecaps. The two couples cast off
+eagerly and were soon scudding out across the water under full sail.</p>
+
+<p>
+Tom and Bud wore <ins class = "correction" title =
+"text reads 'swiming'">swimming</ins> trunks under their slacks.
+Unfortunately the girls had forgotten to bring their suits. When the
+<i>Sunspot</i> reached the center of the lake, the boys hove to,
+stripped down to their trunks, and dived overboard. Meanwhile, the girls
+sun-bathed on deck. Soon it was time for
+<span class = "pagenum">59</span>
+<a name = "page59"> </a>
+the picnic lunch, and all four ate with healthy young appetites.</p>
+
+<p>"Jeepers!" Sandy whispered to Phyl with a giggle. "After a feast like
+this, we'll have to go on a diet!"</p>
+
+<p>"Don't say it," Phyl warned, "or Tom and Bud will use that as an
+excuse for never taking us out ag&mdash;"</p>
+
+<p>She broke off with a gasp.</p>
+
+<p>"What's wrong?" Tom asked.</p>
+
+<p>Breathless with fright, Phyl pointed off to starboard. The others
+paled. An enormous wave was sweeping across the lake, straight toward
+the ketch!</p>
+
+<p>"Jumpin' jets!" Bud gulped. "It's like a tidal wave!"</p>
+
+<p>The boat was already rocking under the swells that preceded the
+oncoming huge breaker.</p>
+
+<p>"Quick!" Tom yelled. "Grab life jackets while I start the
+engine!"</p>
+
+<p>The four leaped into action. Every instant the terrifying wave rushed
+closer! By now it was a twelve-foot wall of water!</p>
+
+<p>Tom and the others had just put on the jackets and the engine had
+barely gunned into life when disaster struck. The mammoth wave swept up
+the <i>Sunspot</i> and heeled it far over into the trough like a toy
+bark. The next instant a cataract of water poured over the deck with
+stunning force!</p>
+
+<p>
+<span class = "pagenum">60</span>
+<a name = "page60"> </a>
+"We're going under!" Phyl screamed.</p>
+
+<p>All four were swept overboard in the maelstrom! Under the smashing
+impact of the water, the ketch's mainmast bent and groaned. A moment
+later came a crack like a gunshot. The mast broke off, hung teetering by
+shreds, then toppled into the water. As it fell, the mast struck Sandy a
+grazing blow on the head!</p>
+
+<p>"Sandy!" Bud cried fearfully as he struggled in the swirling
+torrent.</p>
+
+<p>Calling on every ounce of strength, he swam with powerful strokes
+toward the girl. Sandy was dazed and limp. Bud's husky arm circled her
+tightly. Then he began to fight his way toward shore. Tom and
+Phyl&mdash;each struggling in the turbulent water&mdash;could only
+breathe a prayer of thanks as they watched the rescue.</p>
+
+<p class = "illustration">
+<img src = "images/pic60_61.jpg" width = "561" height = "206"
+alt = "(a huge wave capsizes the Sunspot)"></p>
+
+<p>
+<span class = "pagenum">61</span>
+<a name = "page61"> </a>
+As the huge wave raced shoreward, the lake water gradually became calmer
+in its wake. Tom was able to assist Phyl, and Sandy by now had recovered
+her faculties.</p>
+
+<p>The <i>Sunspot</i> had capsized but could still be seen afloat, some
+distance away. Rather than swim to it and cling to the hulk in the hope
+that a rescue boat would arrive, the four decided to continue on toward
+shore. They knew that the aftermath of the tidal wave would keep all
+shore facilities in an uproar for hours to come.</p>
+
+<p>As they neared the beach, the young people could see other overturned
+craft and heads bobbing in the water. A few daring persons finally began
+putting out in motorboats and rowboats to pick up the survivors.</p>
+
+<p>A hundred yards from shore, one of the boats
+<span class = "pagenum">62</span>
+<a name = "page62"> </a>
+took Tom's group aboard. Minutes later, they were scrambling out onto a
+dock.</p>
+
+<p>"Are you all right, Sandy?" Bud asked, his arm still
+around&nbsp;her.</p>
+
+<p>"I&mdash;I think so," she gasped weakly, "but I must have swallowed
+half the lake!"</p>
+
+<p>"Take it easy, Sis!" Tom added, as Sandy swayed and shuddered from
+the shock of her recent ordeal.</p>
+
+<p>Gently he made Sandy lie down and pillowed her head on a folded
+tarpaulin provided by the sympathetic boatman. Phyl, though wan and
+white-faced, was in somewhat better shape.</p>
+
+<p>"Tom, we must get these girls home as soon as possible," Bud
+declared.</p>
+
+<p>This, however, was not easily accomplished. The tidal wave had caused
+devastation along the entire shore front. Many docks had been wrecked,
+boats splintered like matchsticks, and buildings along the water
+smashed.</p>
+
+<p>When Tom's group reached Bud's convertible, parked near the yacht
+club pier, they found the car completely waterlogged. Its electrical
+system gave not even a faint sputter or spark.</p>
+
+<p>"Oh, fine!" Bud groaned. "The crowning touch!"</p>
+
+<p>
+Eventually ambulances and private cars began to arrive to transport the
+injured. Tom, Bud, and the two girls were given a lift to the Swift home
+<span class = "pagenum">63</span>
+<a name = "page63"> </a>
+where Sandy and Phyl were immediately put to bed by a worried Mrs.
+Swift.</p>
+
+<p>Downstairs, Tom switched on the TV set. A mobile camera crew from the
+local station was scanning the water front and interviewing witnesses of
+the disaster. To the two boys, the most interesting note came in a
+statement by the announcer that a very slight earth tremor had been felt
+in Shopton.</p>
+
+<p>"But no damage occurred except along the water front," the announcer
+explained.</p>
+
+<p>Tom gave a snort of anger, jumped up from his chair, and began pacing
+about the living room. "Bud, I feel sure that wall of water was caused
+by a minor earthquake!" the young inventor declared. "What's more, I'll
+bet it was <i>man-made!</i>"</p>
+
+<p>Bud stared at his friend, appalled but feeling a hot surge of anger
+himself. "If you're right, pal, it's the most fiendish sabotage I've
+ever heard of! Think of all the lives that were endangered!"</p>
+
+<p>Tom nodded grimly. "I <i>am</i> thinking!"</p>
+
+<p>Both boys jerked around to look at the TV set again as a studio
+announcer's voice suddenly broke into the telecast:</p>
+
+<p>"Flash! A severe quake has occurred at the headquarters of the
+American Archives Foundation, a hundred miles from Shopton. The
+Foundation's buildings, containing many priceless government and
+scientific documents, were badly damaged,
+<span class = "pagenum">64</span>
+<a name = "page64"> </a>
+and an underground microfilm vault was utterly destroyed. Apparently
+this quake was part of the tremor felt here at Shopton."</p>
+
+<p>Within minutes the Swifts' home phone began jangling constantly. Some
+calls were from friends, others from strangers. Many of the calls were
+routed through from the Enterprises switchboard.</p>
+
+<p>One was from Dan Perkins of the <i>Shopton Bulletin</i>. "What about
+it, Tom?" the editor demanded. "I&nbsp;guess you know by now the
+public's aroused and in a state of near panic over all these quakes.
+What they all want to know is this: are you, Tom Swift, going to find a
+way to stop all this destruction?"</p>
+
+<p>Tom's jaw jutted out angrily. "Yes, I am!" he snapped. "And you can
+quote me on that!"</p>
+
+
+
+
+<span class = "pagenum">65</span>
+<a name = "page65"> </a>
+<h5 class = "left chapter"><a name = "chap_8">CHAPTER VIII</a></h5>
+<h4>A SUSPECT TALKS</h4>
+
+
+<p><span class = "firstword">The</span>
+next morning Tom was up at the crack of dawn, grimly determined to find
+an answer to the earthquake menace. He ate a hasty breakfast, then drove
+to his private laboratory at Enterprises. He instructed the switchboard
+operator to shut off all incoming calls, then plunged into a study of
+the mystifying problem.</p>
+
+<p>Earthquake activity, Tom knew, tends to occur in circular patterns,
+like bands around the earth&mdash;for instance, the circum-Pacific belt,
+and another belt extending eastward from the Mediterranean through Asia
+and on into the East Indies. Often these quake lines are visible as
+breaks or ruptures along the ground surface, called <i>fault traces</i>.
+No doubt, Tom thought, there were many more uncharted ones.</p>
+
+<p>Could an enemy scientist be making use of these earth faults to
+produce a man-made quake? Tom mulled over the disturbing idea.</p>
+
+<p>
+<span class = "pagenum">66</span>
+<a name = "page66"> </a>
+"How would I tackle the job myself, if I had to undertake such a project
+for national defense?" the young inventor mused. He felt a growing sense
+of excitement as an idea began to take shape in his mind.</p>
+
+<p><i>What about an artificial shock wave!</i></p>
+
+<p>An hour later Bud Barclay walked into the laboratory and found Tom
+hunched over a jumbled pile of reference books on his workbench.</p>
+
+<p>"What cooks, skipper?" Bud asked.</p>
+
+<p>Tom looked up<ins class = "correction" title = "text reads '. '">,
+</ins>his blue eyes blazing. "Bud, I think I may have the answer!"</p>
+
+<p>Tom got up from his stool and paced about the laboratory. "Suppose
+the Brungarian rebel scientists have invented some sort of shock-wave
+producer&mdash;a device for sending vibrations through the earth's crust
+or the mantle underneath."</p>
+
+<p>"Okay, suppose they have," Bud replied.</p>
+
+<p>Tom snatched up a piece of chalk and made some quick diagrams on a
+blackboard. "Just this, pal. Let's say they set up two or three stations
+around the world for sending out such waves in a definite direction.
+Wherever the wave crosses an earth fault or another
+wave&mdash;<i>boom!</i> An earthquake!"</p>
+
+<p>Bud stared. "No kidding, is that how those rats triggered off all
+these quakes?"</p>
+
+<p>"It must be," Tom declared. "It's the only possible explanation."</p>
+
+<p>
+<span class = "pagenum">67</span>
+<a name = "page67"> </a>
+"Good night!" Bud gasped weakly. "What a weapon! Just push a button
+every so often and you could blow up another country bit by
+bit&mdash;and no one could ever prove who was behind the attack!"</p>
+
+<p>Tom nodded. "Enough to make every American shiver, if he only
+knew!"</p>
+
+<p>"What can we do about it?" Bud asked.</p>
+
+<p>Tom resumed his worried pacing. "I'll have to invent a shock-wave
+deflector, Bud. It must be done in a hurry, too. Our enemy may start to
+destroy American cities as well as vital defense plants!"</p>
+
+<p>Immediately Tom put through an urgent call to an eminent scientist in
+Washington who was a member of the National Research Council. Quickly he
+outlined a plan.</p>
+
+<p>"Tom, I'll talk to the president's special science adviser at once,"
+the man promised. "I'll try to set up a meeting for ten o'clock tomorrow
+morning at Enterprises."</p>
+
+<p>Feeling relieved, Tom left the plant with Bud. The two boys drove off
+to attend church with Mrs. Swift and Sandy. Then, after the Sunday
+midday meal, Tom returned to his laboratory to work on ideas for a
+shock-wave deflector.</p>
+
+<p>Bud and Sandy, meanwhile, drove to the Shopton Yacht Club to inspect
+the damage to the <i>Sunspot</i>. Tom had arranged with a salvage crew
+to tow the disabled ketch back to its slip.</p>
+
+<p>
+<span class = "pagenum">68</span>
+<a name = "page68"> </a>
+Monday morning, a sleek Air Force jet transport touched down at Swift
+Enterprises. Aboard were a select group of top government scientists.
+Tom and Bud greeted them as they disembarked on the runway, then drove
+them to a conference room in the Enterprises main building.</p>
+
+<p>"I'd say your theory is right, Tom, about the quakes being produced
+by artificial shock waves," said Bernt Ahlgren, a tall, hawk-faced man
+with a shock of red hair. He was a member of the Defense Department's
+Advanced Research Projects Agency. "But how do we stop them?"</p>
+
+<p>"I believe they can be damped out by opposing waves," Tom replied.
+"This is assuming that I can design the right sort of equipment to do
+the job&mdash;and also that we can set up a warning system to alert us
+of the enemy shock waves in time." The young inventor sketched out the
+sort of shock-wave deflector which he had in mind. The government
+experts were very much impressed. In the session that followed, the
+visiting scientists contributed many tips and suggestions. Tom noted
+them down gratefully.</p>
+
+<p>After a thorough discussion, it was agreed that the Defense
+Department would set up detectors at fifty check points around the
+country. Tom would choose the exact spots. Detection data from the check
+points would be fed to an electronic computer. The computer would
+establish the pattern, if any, of incoming enemy shock waves.</p>
+
+<p>
+<span class = "pagenum">69</span>
+<a name = "page69"> </a>
+Dr. Gregg Miles, a seismologist from the Bureau of Mines, agreed to take
+on the job of setting up the check points.</p>
+
+<p>"Thanks for your prompt co-operation," Tom said, smiling gratefully
+as the meeting broke&nbsp;up.</p>
+
+<p>"We should thank you, Tom, for coming up with a plan to cope with
+this fiendish threat," Ahlgren replied. The others heartily agreed.</p>
+
+<p>Shortly after lunch, Tom was hard at work in his laboratory when the
+telephone rang. It was Chief Slater at Shopton police headquarters.</p>
+
+<p>"You'd better get over here fast, Tom," Slater said. "Samson Narko is
+ready to talk!"</p>
+
+<p>Tom needed no urging. "Right, Chief!"</p>
+
+<p>As he drove into Shopton, Tom wondered what the Brungarian agent
+would reveal. Was it possible that he might tip off the whole secret
+behind the destructive man-made earthquakes?</p>
+
+<p>Chief Slater was waiting in his office. "Narko showed signs of
+cracking this morning," Slater told Tom, "so I notified the Central
+Intelligence Agency. They're flying a man up here&mdash;in fact he
+should be here by now. Narko won't talk till he arrives."</p>
+
+<p>"How come?" Tom asked.</p>
+
+<p>"Narko wants a bargain," Slater explained. "If the government will
+promise to deport him at once without trial, he'll spill what he
+knows."</p>
+
+<p>
+Tom whistled. "I sure wouldn't want to be in <i>his</i> shoes when he
+gets back to Brungaria! His
+<span class = "pagenum">70</span>
+<a name = "page70"> </a>
+bosses aren't stupid. They'll know he must have made a deal to get off
+scot free!"</p>
+
+<p>Just then a taxi from the airport pulled up outside police
+headquarters, and the CIA official was ushered into Slater's office. He
+proved to be John Thurston.</p>
+
+<p>"Narko's waiting in his cell," Slater said, after an exchange of
+handshakes. "Let's hope he hasn't changed his mind."</p>
+
+<p>The Brungarian spy rose from his cot as the turnkey unlocked his cell
+door.</p>
+
+<p>"You are from Washington, eh?" Narko said to Thurston. "Very well. I
+presume the police have told you my offer. Is it a bargain?"</p>
+
+<p>Thurston was poker-faced. "You know the penalty for spying!" he
+snapped. "In your own country it would mean death. Why should we let
+you&nbsp;off?"</p>
+
+<p>Narko's calmness evaporated. Beads of sweat burst out on his
+forehead.</p>
+
+<p>"I have done no harm and I know little or nothing of my superiors'
+plans!" the spy said excitedly. "Why should I lie to you with my life at
+stake? After all, I am only an insignificant agent. But one important
+thing I do know&mdash;and this I will reveal if you promise to deport me
+at once!"</p>
+
+<p>Thurston eyed him coldly. "Very well," the CIA man decided. "You have
+my word."</p>
+
+<p>
+<span class = "pagenum">71</span>
+<a name = "page71"> </a>
+Narko sat down on his cot, breathing heavily. Then he looked up at the
+three Americans. "Your nation's capital, Washington, D.C., is going to
+be blown up!" the Brungarian asserted.</p>
+
+<p>His words struck like a bombshell. Chief Slater and John Thurston
+stared at Narko in open-mouthed astonishment.</p>
+
+<p>Then Slater scowled. "What a preposterous story! I suppose they're
+going to fly a plane over and drop an atom bomb&mdash;just like that!"
+He snapped his fingers.</p>
+
+<p>Thurston was also inclined to doubt Narko's story. Any such bold move
+by the Brungarians, he declared, would amount to an act of&nbsp;war.</p>
+
+<p>"It is the truth!" Narko shouted. "Do not forget&mdash;you have made
+a promise."</p>
+
+<p>Tom Swift did not share Chief Slater's and Thurston's skepticism.
+Narko's words had chilled him with dismay. He called the other two aside
+and gave them a quick whispered briefing on the theory he had discussed
+with the government scientists, asking them to keep it confidential.</p>
+
+<p>If the Brungarians indeed had a means of producing artificial shock
+waves, Tom pointed out, they could easily destroy Washington without the
+slightest risk to themselves.</p>
+
+<p>
+Both Thurston and Chief Slater were alarmed. Turning back to Narko, they
+grilled him for clues. But it seemed obvious that the Brungarian was
+<span class = "pagenum">72</span>
+<a name = "page72"> </a>
+telling all he knew&mdash;or, at any rate, all he intended to
+reveal.</p>
+
+<p>"We're wasting our time," Thurston said finally, with a look of
+disgust. "But I made a promise in the name of the United States
+government and the promise will be kept."</p>
+
+<p>Turning to Chief Slater, the CIA man added, "Turn him over to the FBI
+and have them take him to New York. I'll arrange for a seat on the first
+plane for Brungaria."</p>
+
+<p>Tom drove back thoughtfully to Enterprises. Bud was waiting in his
+laboratory with news.</p>
+
+<p>"Your dad went from Washington to Fearing Island and has gone up to
+your space outpost," Bud reported. "He has to do some experiments for
+the government project he's working&nbsp;on."</p>
+
+<p>The outpost was a space station which Tom Swift Jr. had built 22,300
+miles above the earth. It was a production factory for his famous solar
+batteries, and also an immensely valuable setup for space research and
+exploration.</p>
+
+<p>"Think I'll radio Dad and let him know what's going on," Tom decided.
+"He may have some good suggestions. He usually does!"</p>
+
+<p>Tom warmed up his private transmitter-receiver and beamed out a code
+call through the automatic scrambler. Seconds later, the loud-speaker
+crackled in response.</p>
+
+<p>But just as the outpost operator's voice came through, the radio set
+exploded in Tom's face!</p>
+
+
+
+
+<span class = "pagenum">73</span>
+<a name = "page73"> </a>
+<h5 class = "left chapter"><a name = "chap_9">CHAPTER IX</a></h5>
+<h4>THE CAVE MONSTER</h4>
+
+
+<p><span class = "firstword">"Skipper!"</span>
+Bud cried anxiously as Tom staggered back, his hands to his face.</p>
+
+<p>"I'm all right&mdash;no harm done," Tom assured his friend.</p>
+
+<p>Both boys were a bit shaken by the accident, nevertheless. Chow came
+rushing in as Bud was brushing the fragments of debris from Tom's
+clothes and examining the young inventor's face.</p>
+
+<p>"Brand my flyin' flapjacks, what happened?" Chow asked. The chef had
+been bringing a tray of fruit juice to the laboratory and had heard the
+explosion outside.</p>
+
+<p>"The radio set just blew up in my face," Tom explained. "Fortunately,
+the equipment was transistorized mostly with printed circuits.
+Otherwise," he added, "I&nbsp;might have been badly cut by slivers of
+glass from the exploding vacuum tubes."</p>
+
+<p>
+As it was, the young inventor had suffered only
+<span class = "pagenum">74</span>
+<a name = "page74"> </a>
+a few slight scratches and a bruise on the temple from a piece of the
+shattered housing. Bud swabbed Tom's injuries with antiseptic from the
+first-aid cabinet while Chow poured out glasses of grape juice.</p>
+
+<p>"What caused it, Tom?" Bud asked as they paused to sip the fruit
+drink.</p>
+
+<p>"Good question," Tom replied. "Frankly, I don't know." But he was
+wondering if the set might have been sabotaged.</p>
+
+<p>Tom was still eager to get in touch with his father and telephoned
+the electronics department to bring another set to his laboratory. Chow
+left just as the new set arrived.</p>
+
+<p>Tom hooked it up quickly, donned a set of goggles, and tuned to the
+space-station frequency. Then he picked up the microphone and stepped
+well back from the set, waving Bud out of range at the same time.</p>
+
+<p>"Tom Swift calling Outpost!... Come in, please!"</p>
+
+<p>A moment later came another explosion! <i>The new set had also blown
+up!</i></p>
+
+<p>"Good night!" Bud gasped in a stunned voice. "Don't tell me that's
+just a coincidence!"</p>
+
+<p>Tom shrugged. "We can certainly rule out the possibility that
+anything was wrong with the radio itself. Every set is checked before it
+leaves the electronics department."</p>
+
+<p>"So where does that leave us?" Bud persisted.</p>
+
+<p>
+<span class = "pagenum">75</span>
+<a name = "page75"> </a>
+Tom shook his head worriedly as he took off the goggles. "Both times it
+seemed to happen just as the reply was coming through from the space
+station. There is no possibility that their signal was too
+strong&mdash;in other words, that the explosion was caused by
+overloading the receiving circuits."</p>
+
+<p>"Are you implying that an enemy intercepted the message and sent some
+sort of ray that caused the set to explode?" Bud demanded.</p>
+
+<p>Tom's face showed clearly that Bud had pinpointed the suspicion in
+the young inventor's mind. "Could&nbsp;be."</p>
+
+<p>Bud was worried by this latest development. "Skipper, suppose I hop
+up to the space wheel and talk it over with your dad. He may be able to
+help us detect any enemy moves."</p>
+
+<p>"Good idea, pal," Tom agreed. "The sooner the better,
+I'd&nbsp;say."</p>
+
+<p>The boys exchanged a quick handshake and affectionate shoulder slaps.
+Then Bud hurried out to one of the Enterprises hangars to ready a
+helijet for the flight to Fearing Island. This was the Swifts' rocket
+base, just off the Atlantic coast. From there, Bud would board one of
+the regular cargo shuttle rockets operating between the space station
+and Fearing.</p>
+
+<p>Tom, meanwhile, plunged back to work on his shock-wave deflector.</p>
+
+<p>
+At ten the next morning he called in Hank
+<span class = "pagenum">76</span>
+<a name = "page76"> </a>
+Sterling and showed him a set of completed drawings.</p>
+
+<p>"Hank, you did a fast job on the container for the brain," Tom began
+apologetically, "but you'll really have to burn out a bearing on this
+one!"</p>
+
+<p>Hank grinned. "I'm geared to action. Say, what do we call it,
+anyhow?" he asked.</p>
+
+<p>Tom grinned. "Chow told me last night this gadget looked like a
+fireplug under a rose trellis and I ought to call it Fireplug Rose! But
+I've given it a more dignified name&mdash;the Quakelizor, which stands
+for an underground quake wave deflector."</p>
+
+<p>Briefly, Tom explained the various parts of his latest invention,
+which consisted of a hydrant-sized cylinder to be inserted into the
+ground, with magnetic coils near the top. A smaller hydraulic cylinder,
+mounted above this, was wired to a metal framework and radio
+transmitter.</p>
+
+<p>"This setup will detect any incoming enemy shock waves," Tom said.
+"We'll need fifty of 'em, so turn the job over to Swift Construction.
+And have Uncle Ned put on extra shifts."</p>
+
+<p>The Swift Construction Company, managed by Ned Newton, was the
+commercial division which mass-produced Tom Jr.'s and Tom Sr.'s
+inventions.</p>
+
+<p>Information from the detector-transmitters, Tom went on, would be fed
+into an electronic computer at the Bureau of Mines in Washington.</p>
+
+<p>
+<span class = "pagenum">77</span>
+<a name = "page77"> </a>
+The Quakelizor itself was housed in a massive cube-shaped casting with
+two large spheres mounted on top. From each of its four sides jutted a
+hydraulic piston.</p>
+
+<p>"How does it work, Tom?" Hank asked.</p>
+
+<p>"Dual-control spheres on top," Tom explained, "will receive by radio
+signal the pulse frequency computed in Washington."</p>
+
+<p>He added that inside each sphere was a "pulsemaker." This would
+produce changes in the pressure of the hydraulic fluid by affecting the
+kinetic energy of the fluid's atoms.</p>
+
+<p>The pressure changes would then be enormously magnified in the four
+hydraulic output drivers. When the unit was embedded in rock,
+underground, the huge pistons would send out counter shock waves through
+the earth's crust to neutralize the enemy waves.</p>
+
+<p>"Wow!" Hank Sterling was breathless at the sheer scope of the young
+scientist's newest invention. "I'll get hot on the job right away."</p>
+
+<p>After forty-eight hours of round-the-clock work, the equipment was
+ready. Tom conferred by telephone with both Dr. Miles in the Bureau of
+Mines and Bernt Ahlgren in the Pentagon. He had already chosen the spots
+for the detector-transmitter check points.</p>
+
+<p>
+Tom told the men that he believed the best spot for the Quakelizor
+itself was on a certain government reservation in Colorado. A deep
+<span class = "pagenum">78</span>
+<a name = "page78"> </a>
+underground cave there would provide a perfect site.</p>
+
+<p>"We'll be close enough to the San Andreas fault to prevent a really
+huge-scale disaster," Tom explained. "And the Rocky Mountain structure
+will give us a good bedrock medium for shooting out waves anywhere
+across the continent."</p>
+
+<p>Dr. Miles and Ahlgren agreed enthusiastically. Tom and the two
+scientists spoke over a three-way telephone hookup&mdash;with automatic
+scramblers to counter the danger of enemy monitors&mdash;laying plans to
+install the equipment. Ahlgren agreed to fly a technical crew out to the
+spot in Colorado which Tom had named.</p>
+
+<p>The next day, Tom, Hank, and several top Enterprises' engineers,
+including Art Wiltessa, took off in the <i>Sky Queen</i>. This was Tom's
+huge atomic-powered Flying Lab. The massive plane flew at supersonic
+speeds and was equipped with jet lifters for vertical take-off or
+hovering.</p>
+
+<p>A Whirling Duck heliplane, loaded with communications equipment,
+accompanied the <i>Sky Queen</i>. In little more than an hour, the two
+craft touched down in a rugged Colorado canyon. The government technical
+crew was already on hand.</p>
+
+<p>"Glad to know you," Tom said, shaking hands with the engineer in
+charge. He introduced his own men and added, "Better roll up your
+sleeves. This job is going to take plenty of oomph!"</p>
+
+<p>
+The parts of the Quakelizor were unloaded
+<span class = "pagenum">79</span>
+<a name = "page79"> </a>
+from the <i>Sky Queen</i> onto dollies. Then the group, armed with
+bull's-eye lanterns, flashlights, and walkie-talkies, hauled the parts
+by tractor into the cave.</p>
+
+<p>"Okay. Now let's pick out the spot for embedding the unit," Tom
+said.</p>
+
+<p>The men had no sooner begun to look around the huge underground
+chamber when a fearsome growl rumbled through the cave. Everyone whirled
+about and the next instant froze in horror.</p>
+
+<p>A huge bear reared up in the mouth of the cave! The monster snarled
+and blinked its yellow eyes in the glare of lights.</p>
+
+<p>"We're trapped!" Hank cried out.</p>
+
+<p>The enormous bruin was now waving his huge head from side to side, as
+if daring the intruders to step up and fight.</p>
+
+<p>Several of the government men had brought rifles and shotguns. But in
+spite of their peril, no one wanted to shoot the handsome old
+fellow.</p>
+
+<p>"I'll send out an SOS," Tom said. "If help arrives before the bear
+attacks, we won't use guns."</p>
+
+<p>
+He radioed the local Forest Ranger post. After a nerve-racking wait,
+with the group expecting a charge from the beast at any minute, two
+rangers appeared and captured the bear with a net. One man of the
+government work crew knocked together a stout wooden cage. The beast,
+outraged,
+<span class = "pagenum">80</span>
+<a name = "page80"> </a>
+was loaded aboard the heliplane to be released in an area remote from
+the cave.</p>
+
+<p>Now the grueling job of installing the Quakelizor began. First the
+cave was cleared of debris, bats, and other small living creatures. Then
+a site was marked out on the cave floor. Tom had brought along a midget
+model of his great atomic earth blaster, which he had invented to drill
+for iron at the South Pole.</p>
+
+<p class = "illustration">
+<img src = "images/pic80_81.jpg" width = "561" height = "254"
+alt = "(Tom and Hank meet a bear in the cave)"></p>
+
+<p>
+With the blaster, Tom quickly drilled a pit of exact size into the
+bedrock. Then the Quakelizor
+<span class = "pagenum">81</span>
+<a name = "page81"> </a>
+was assembled and lowered into place by a portable crane. A power plant
+and radio antenna were set up and the installation was finally
+completed.</p>
+
+<p>"I must return to Shopton now," Tom said. "Art here will stick around
+and help you operate the setup," he told the government engineers after
+radio contact had been made with Washington. "If anything goes wrong,
+just flash word to Enterprises."</p>
+
+<p>The <i>Sky Queen</i> and the heliplane sped back across the
+continent. As Tom landed at Enterprises he was greeted by Bud, who came
+speeding out on the airfield by jeep.</p>
+
+<p>
+"Just got back from the space wheel about an hour ago," Bud said. "Your
+dad's really worried about those exploding radio sets, Tom. He has
+<span class = "pagenum">82</span>
+<a name = "page82"> </a>
+no clues, but he's sure the scientists working for the Brungarian rebel
+setup are responsible. He thinks they may try to ruin all of
+Enterprises' communications system by remote control."</p>
+
+<p>Tom's face was grave as he listened. The two boys discussed the
+problem as they drove to the Swifts' office in the main building.</p>
+
+<p>"Boy, I sure wish I could think of some way to cope with it," Tom
+said wearily, flopping down in his desk chair.</p>
+
+<p>"Your dad said to give it the old college try," Bud reported. "And he
+also said he'd be back in two days to help you on the problem."</p>
+
+<p>Tom glanced at the calendar. "Which reminds me," he said, "on Monday
+the brain energy will be due from space!"</p>
+
+<p>The thought sent a thrill of excitement tinged with worry through the
+young inventor's mind. Would the container he had devised prove
+suitable?</p>
+
+<p>"Hey! A call on the videophone!" Bud pointed to the red light
+flashing on the control board. He jumped up and switched on
+the&nbsp;set.</p>
+
+<p>Blake, the Washington announcer, appeared on the screen.</p>
+
+<p>"Bad news, skipper," he said ominously. "An earthquake tremor was
+just felt here in Washington. It centered in a shipyard on the Potomac
+and caused great damage!"</p>
+
+
+
+
+<span class = "pagenum">83</span>
+<a name = "page83"> </a>
+<h5 class = "left chapter"><a name = "chap_10">CHAPTER X</a></h5>
+<h4>ENERGY FROM PLANET X</h4>
+
+
+<p><span class = "firstword">Tom</span>
+and Bud listened in dismay as Blake reported all the details he had been
+able to gather.</p>
+
+<p>"Was my Quakelizor a flop, Bud?" Tom muttered, his shoulders drooping
+as the announcer signed off. "It must have been!"</p>
+
+<p>"Don't be silly! Snap out of it!" Bud gave his pal a cheerful poke in
+the ribs, hoping to buck him up. "You heard what Blake
+said&mdash;Washington itself was hardly touched. Without your setup,
+think of all the people that <i>might</i> have been killed or injured!
+And all the government buildings that might have been wrecked, maybe
+even the White House. I'd say your shock-wave deflector must have been
+at least ninety per cent effective!"</p>
+
+<p>
+Tom brightened somewhat on hearing Bud's words. He picked up the phone,
+and placed a call to Dr. Miles at the Bureau of Mines. It was almost
+<span class = "pagenum">84</span>
+<a name = "page84"> </a>
+half an hour before the operator was able to get a line through. But Tom
+felt the suspense had been worth while when Dr. Miles exclaimed:</p>
+
+<p>"Tom, it was a miracle you completed the Quakelizor installation in
+time! In all probability it saved us from a major national disaster,
+perhaps worse than Pearl Harbor!"</p>
+
+<p>Tom felt a glow of pride and relief. "Thanks, sir. But what about the
+shipyard destruction?" he added, still not entirely convinced.</p>
+
+<p>"That was a bad break, Tom," Dr. Miles admitted. "Our detectors
+showed that the shock waves had been almost damped out when a sudden
+power failure occurred. It turned out that an overload had shorted the
+Quakelizor's power plant. The crew had it fixed within moments, but by
+that time the damage was done."</p>
+
+<p>Tom winced as he heard of the unfortunate accident, but was thankful
+the results had been no worse.</p>
+
+<p>Miles went on to say that he had just been conferring with Ahlgren at
+the Pentagon. The Defense Department now feared that attempts might be
+made against other large cities and was therefore eager to have Tom
+deliver several quake deflectors as soon as possible. These would be
+installed at strategic points around the country.</p>
+
+<p>
+"The government heads were so impressed
+<span class = "pagenum">85</span>
+<a name = "page85"> </a>
+with your invention, Tom," Dr. Miles added, "that they'll probably be
+walking the floor anxiously until the others arrive."</p>
+
+<p>Tom chuckled, then became serious. "Tell them we'll go to work right
+away," he informed the seismologist. "I'll have the new Quakelizors
+ready as soon as possible, but you'd better warn your associates it's
+bound to take a few days."</p>
+
+<p>As soon as the conversation was completed, Tom dialed Ned Newton at
+the Swift Construction Company. Although he was actually not a relative
+of the Swifts, both Tom and Sandy had from childhood called him
+"Uncle&nbsp;Ned."</p>
+
+<p>"What's up, Tom?" he asked.</p>
+
+<p>Tom told him of the latest request from Washington and asked that
+another three-shift work schedule be set up to turn out the additional
+Quakelizors.</p>
+
+<p>"Hank and I will bring the blueprints over right away, if you don't
+mind being late to dinner," Tom said.</p>
+
+<p>Ned Newton agreed willingly, only too happy to help cope with the
+quake menace. By eight o'clock that evening, work on the project was
+proceeding at great speed. The Swift Construction Company continued
+humming with activity around the clock.</p>
+
+<p>
+The week end was almost over by the time Mr. Swift arrived back from the
+space station. Tom
+<span class = "pagenum">86</span>
+<a name = "page86"> </a>
+flew to Fearing Island to meet him. On the short hop back to
+Enterprises, they discussed the radio problem.</p>
+
+<p>"I think the solution's been staring us in the face, Dad, but we've
+been too worried to think of it," Tom said. "Remember Li Ching's
+jamming-wave generator?"</p>
+
+<p>He was referring to a device used recently by an Oriental foe of Tom
+and his father. Mr. Swift's eyes lighted up with a quick flash of
+understanding.</p>
+
+<p>"Dad, you wrote a report on the generator for the government with a
+memo on possible ways to combat it," Tom went on. "Maybe the same
+measures would work in this case."</p>
+
+<p>The Swifts had discovered that their enemy had been intercepting
+Tom's messages, thereby learning the frequency to which the Swifts'
+receiver was tuned. They then radiated a signal at this frequency,
+modulated at the frequency to which the local oscillator was set. This
+had caused a buildup of energy in the I.&nbsp;F. transformers,
+resulting in their explosion.</p>
+
+<p>Now Mr. Swift said, "You're right, son. We'll insert a blocking
+filter in the R.&nbsp;F. stage that should do the trick."</p>
+
+<p>
+Their minds relieved of this problem, the Swifts were eagerly looking
+forward to the arrival of the brain energy from space the next day. The
+scheduled time, if pinpointed at exactly two
+<span class = "pagenum">87</span>
+<a name = "page87"> </a>
+weeks from the moment when the first message was received, would be half
+an hour past noon.</p>
+
+<p>The spot, two miles from Enterprises, was on a lonely hillside. It
+was shaded by trees, higher up the slope, with bushes and other
+wild-growing greenery softening its contours. Over the week end, Tom had
+had carpenters from Enterprises put up a small cabin at the foot.</p>
+
+<p>As twelve-thirty approached, Tom, Bud, Mr. Swift, Hank Sterling, Arv
+Hanson, and several other Swift technicians stood by at the scene with
+the star-headed container. Chow had also begged to be on hand.</p>
+
+<p>"I jest got to see Ole Think Box come to life!" he said.</p>
+
+<p>Eyes darted back and forth from wrist watches to sky as the zero
+moment ticked closer. Bud even began muttering a countdown.</p>
+
+<p>"X minus three... X minus two... X minus one... This is it!"</p>
+
+<p>All eyes flashed skyward. <i>But nothing happened!</i> Not a speck
+showed in the blue, cloudless&nbsp;sky.</p>
+
+<p>The watchers glanced at one another uncertainly. More minutes went
+by. Soon it was quarter to one... then one o'clock.</p>
+
+<p>"No mistake about the time, was there?" Arv asked.</p>
+
+<p>
+Mr. Swift shook his head. "Not if the code was translated correctly." He
+frowned. "It's true they
+<span class = "pagenum">88</span>
+<a name = "page88"> </a>
+spoke merely in terms of days. But their time references are usually
+very precise."</p>
+
+<p>The waiting group fidgeted and prowled back and forth to ease their
+tension. Feelings of suspense began changing into gloom after two more
+hours had passed with no sign from the&nbsp;sky.</p>
+
+<p>Disappointed but unable to wait any longer, the technical men went
+back to the plant, one by one. Hank Sterling, too, and Arv Hanson
+finally had to leave.</p>
+
+<p>"Sorry, skipper," Hank muttered. "Ring us right away if it
+shows&nbsp;up."</p>
+
+<p>"Sure, Hank."</p>
+
+<p>As six o'clock went by, Chow tried to pep up his companions' drooping
+spirits with a simple but tasty supper, warmed up on an electric hot
+plate in the cabin.</p>
+
+<p>"What do you think, skipper? Are we out of luck?" Bud asked as
+they&nbsp;ate.</p>
+
+<p>"Our space friends haven't let us down yet," Tom replied. "I'm sure
+they won't this time." Though he didn't say so aloud, Tom was worried
+that their Brungarian enemies might have managed to divert and capture
+the energy.</p>
+
+<p>Mr. Swift seemed to read Tom's thoughts. "Let's hope no hitch has
+occurred," he said quietly.</p>
+
+<p>The sun went down. Twilight slowly deepened. The trees on the
+hillside faded from view in the gathering darkness.</p>
+
+<p>
+<span class = "pagenum">89</span>
+<a name = "page89"> </a>
+"<i>There it is!</i>" Bud yelled suddenly.</p>
+
+<p>Electrified, the four sprang up in an instant. A speck of light was
+sailing across the sky! But their faces fell as it drew closer.</p>
+
+<p>"Only an airplane," Bud grumbled.</p>
+
+<p>At ten o'clock Mr. Swift gave a weary yawn. "The spirit is willing
+but the flesh is weak," he confessed. "I&nbsp;got only two hours of
+sleep on the space wheel, and apparently last night wasn't enough to
+catch up. Sorry, fellows."</p>
+
+<p>"Why don't you go home, Dad? Hit the hay," Tom said
+sympathetically.</p>
+
+<p>Promising to take a turn on watch if the vigil continued through the
+next day, Mr. Swift drove off in his&nbsp;car.</p>
+
+<p>Time dragged by slowly as the three remaining watchers chatted and
+looked hopefully at the stars. Eventually Chow propped himself against a
+tree and dropped off to sleep to the accompaniment of low-droning
+snores. Bud too began to drowse.</p>
+
+<p>It was long past midnight when Tom suddenly caught sight of a moving
+light in the sky. He stiffened and held his breath. Another false
+alarm?</p>
+
+<p>But no! A glowing, faintly bluish mass with a comet tail of luminous
+orange red was slowly proceeding through the pattern of stars!</p>
+
+<p>
+"Hey, fellows! Wake up!" Tom shouted. He sprang to his feet and
+unlatched a single point of
+<span class = "pagenum">90</span>
+<a name = "page90"> </a>
+the star head. Within seconds, Bud and Chow were both wide awake, as
+excited as Tom. The blue nebulous mass moved closer and closer. The
+three watchers were speechless with&nbsp;awe.</p>
+
+<p>As the ball of energy descended toward them, it lit up the whole
+scene. The hillside looked almost as if it were on fire. The earth
+vibrated, and the air had the sharp smell of ozone. This was followed by
+a frightening clatter and rumble. The force of the energy was sweeping
+down rocks, gravel, and shrubbery in a hillside avalanche!</p>
+
+<p>"Look out!" Chow shrieked. "We'll be pulverized in this rock
+stampede!" He streaked for cover as a huge boulder came plunging
+straight toward&nbsp;him.</p>
+
+<p>"Hold fast, Bud!" Tom cried. "Nothing's headed our way!"</p>
+
+<p>Steeling his nerves, he grabbed the waiting container and held on
+grimly. An instant later the glowing mass sharpened and narrowed itself
+into a snakelike bolt of fire that arced straight into the head of Tom's
+invention.</p>
+
+<p>Tom gave a yell of triumph and clamped the star point shut, then
+pushed a button to activate the self-sealing process.</p>
+
+<p>Chow peered out cautiously from behind a clump of rock. The next
+second, he let out a Texas whoop, bounded from cover like an over-sized
+gnome, and sent his ten-gallon hat sailing high into the&nbsp;air.</p>
+
+<p>
+<span class = "pagenum">91</span>
+<a name = "page91"> </a>
+"<i>Yippee!</i>"</p>
+
+<p>Bud cheered too. "The visitor from Planet X has arrived!"</p>
+
+<p>In their excitement and relief, the three hugged one another and
+jumped for&nbsp;joy.</p>
+
+<p>"Should we wake up your dad and tell him the good news&mdash;or keep
+it a surprise till morning?" Bud asked&nbsp;Tom.</p>
+
+<p>"I guess we'd better&mdash;"</p>
+
+<p>Tom broke off in a gasp as the robotlike container suddenly began to
+whirl&mdash;slowly at first, then faster and faster. Spinning crazily
+like a huge runaway top, it darted up, down, and about the hillside.</p>
+
+<p>Tom and his two companions stared in helpless amazement.</p>
+
+<p>"Great horned toads! What's it up to?" Chow exclaimed.</p>
+
+<p>"Seems like the energy's trying to get out!" Bud guessed. "Something
+must be bothering&nbsp;it."</p>
+
+<p>Tom shook his head incredulously. "No reason for that. The container
+was absolutely empty."</p>
+
+<p>Chow suddenly gave a groan and slapped his forehead in dismay. "Brand
+my Big Dipper!" the cook said. "Mebbe Ole Think Box has gone loco! An'
+it could be my fault!"</p>
+
+
+
+
+<span class = "pagenum">92</span>
+<a name = "page92"> </a>
+<h5 class = "left chapter"><a name = "chap_11">CHAPTER XI</a></h5>
+<h4>AN ELECTRICAL CHRISTENING</h4>
+
+
+<p><span class = "firstword">"What</span>
+are you talking about, Chow?" Tom asked, turning to the old Westerner in
+amazement.</p>
+
+<p>Chow related how he had dropped the bubble gum inside the robot's
+head. "Did I ruin the critter?" he asked fearfully.</p>
+
+<p>Tom was thoughtful for a moment, frowning as they watched Ole Think
+Box continue its gyrations. The figure seemed to be calming down
+somewhat, although Tom could not be sure of this.</p>
+
+<p>Suddenly his face brightened. A new thought had just struck the young
+inventor! To Chow's amazement, Tom slapped the cook happily on the
+back.</p>
+
+<p>"I think you've done me a favor, Chow!" he exclaimed.</p>
+
+<p>
+<span class = "pagenum">93</span>
+<a name = "page93"> </a>
+"I have?" The old Texan stared at his young boss, as if not sure whether
+or not to believe him. "How come?"</p>
+
+<p>"You saw how Ole Think Box reacted to the gum," Tom explained. "That
+shows the energy really is like a brain! It's responsive and sensitive
+to conditions of its environment, especially when coming up against
+something new and unexpected."</p>
+
+<p>"You mean they don't have bubble gum on Planet X?" Chow asked with a
+grin.</p>
+
+<p>Tom smiled as Bud said, "This means we should be able to communicate
+with&nbsp;it."</p>
+
+<p>"And the brain will probably be able to communicate back to us!" Tom
+went on excitedly. "We may even be able to learn about Planet X!"</p>
+
+<p>As he spoke, Ole Think Box's whirling became slower and slower.
+Finally it came to rest close to the three humans.</p>
+
+<p>"What do you suppose happened to the gum?" Bud asked. "Did he chew it
+all&nbsp;up?"</p>
+
+<p>"It's probably unchanged," Tom replied. "Our visitor is used to
+it&nbsp;now."</p>
+
+<p>Chow was still wide-eyed with awe. He stared at the strange creature
+as if expecting it to snap at him in revenge for the&nbsp;gum.</p>
+
+<p>
+"Don't worry, old-timer. Think Box won't bite," Bud teased. "With that
+gum spree, he's just been initiated into our American tribal customs!"
+<span class = "pagenum">94</span>
+<a name = "page94"> </a>
+The pilot grinned. "Hey! We haven't given him a proper name."</p>
+
+<p>"You're right." Tom looked at his pal and chuckled. "Got any
+ideas?"</p>
+
+<p>"Hmm. Let me see." Bud scowled and paced about with his hands clasped
+behind his back. "Firetop&mdash;John Q. Pyro&mdash;"</p>
+
+<p>"But it ain't on fire now," Chow pointed&nbsp;out.</p>
+
+<p>"Maybe not, but he sure blazed a trail getting here," Bud argued.</p>
+
+<p>Tom and Chow countered with several ideas of their own, but nothing
+seemed suitable until Bud suddenly stopped short and snapped his
+fingers.</p>
+
+<p>"I have it! He's a visitor from Planet X, so let's call him
+<i>Exman!</i>" Bud spelled it&nbsp;out.</p>
+
+<p>"Perfect!" Tom was delighted and Chow agreed that it seemed "a right
+good monicker." The Texan insisted seriously that if the creature were
+going to be named, he should also have a proper christening.</p>
+
+<p>"Why not?" Tom agreed, as both boys broke into laughter. Bud also
+liked the idea.</p>
+
+<p>Chow had a troublesome afterthought. He shoved back his sombrero,
+squinted frowningly at the brain container, and scratched his bald head.
+"For boat christenings and statues and what not, you break bottles on
+'em or cut ribbons or pull a sheet off 'em," the cook said. "But how in
+tarnation do you christen a buckaroo from space?"</p>
+
+<p>
+<span class = "pagenum">95</span>
+<a name = "page95"> </a>
+"Nothing to it, Chow," Tom assured him. "We'll do the job up nice and
+fancy with a display of electricity. But first let's get Exman over to
+the&nbsp;lab."</p>
+
+<p>The three loaded the energy container into the pickup truck which had
+brought it to the hillside spot. Then Tom drove back to Enterprises and
+they took Exman into his private laboratory.</p>
+
+<p>Here Tom attached an electrode to each side of the star head. One
+electrode was safely grounded, the other connected to a Tesla coil.
+Then, with all lights turned off in the laboratory, Tom threw a
+switch.</p>
+
+<p>Instantly a dazzling arc of electricity sputtered through the
+darkness across the creature's head! The eerie display lit up the room
+with such impressive effect that both Bud and Chow felt their spines
+tingle.</p>
+
+<p>"I christen you Exman!" Tom intoned.</p>
+
+<p>For several moments he allowed the fiery arc to continue playing
+about the star head. Then he opened the power switch and turned the room
+lights back&nbsp;on.</p>
+
+<p>"Wow! Quite a ceremony!" Bud murmured.</p>
+
+<p>"After a send-off like that, I'll be expectin' the critter to do
+great things here on this lil ole planet Earth!" Chow declared
+fervently.</p>
+
+<p>"You could be right," Tom said.</p>
+
+<p>
+Worn out by the long wait for their visitor from Planet X and the
+excitement following his arrival,
+<span class = "pagenum">96</span>
+<a name = "page96"> </a>
+Chow finally went off to his own quarters at Enterprises for a
+well-earned sleep.</p>
+
+<p>"Guess you and I had better get some shut-eye too, pal," Tom told
+Bud. "And I think I won't tell Dad until morning."</p>
+
+<p>
+<span class = "picture">
+<img src = "images/pic96.jpg" width = "341" height = "345"
+alt = "(Tom, Bud and Chow celebrate building Exman)"></span>
+The two boys decided to bunk on cots in the small apartment adjoining
+Tom's laboratory. Exman, meanwhile, was left locked in the laboratory
+with a tiny "night light" showing on&nbsp;him.</p>
+
+<p>"Just a little ray of energy to keep him company," Tom explained with
+a chuckle.</p>
+
+<p>
+<span class = "pagenum">97</span>
+<a name = "page97"> </a>
+Minutes later, the two boys were sound asleep. For a while, all was
+silent. Then the apartment's telephone rang, shattering the stillness.
+Tom struggled out of the depths of sleep, got up, and groped his way
+over to the wall phone.</p>
+
+<p>"Tom Swift Jr. speaking."</p>
+
+<p>A familiar voice asked, "Did it come?"</p>
+
+<p>"Oh, hi, Dad!" Tom replied, yawning. "Yes, Exman arrived in fine
+shape. We've put him to bed. Tell you all about it tomorrow
+morning."</p>
+
+<p>"Okay, Tom."</p>
+
+<p>As Tom hung up, Bud roused and switched on a lamp. He had awakened in
+time to catch only part of Tom's words. "Your father?" he inquired.</p>
+
+<p>Tom nodded sleepily and was about to go back to bed. But Bud, still
+fascinated by the space visitor, decided to have a peek at Exman. He got
+up and opened the door to the laboratory. A yell from him brought Tom
+rushing to his side.</p>
+
+<p>"Hey! It's gone!"</p>
+
+<p>The spot by the night light where they had left Exman was now
+deserted! Tom found a wall switch and pressed it. As light from the
+overhead fluorescent tubes flooded the room, the boys gave laughing
+cries of relief.</p>
+
+<p>Ole Think Box had merely moved himself to another corner of the
+room!</p>
+
+<p>"Guess he didn't like that little chum we left on for him," Bud said
+with a chuckle.</p>
+
+<p>"Let's leave him where he is," Tom agreed.</p>
+
+<p>
+<span class = "pagenum">98</span>
+<a name = "page98"> </a>
+The two boys went back to the adjoining apartment and were soon asleep
+again. Several hours later they were rudely awakened by a loud crash of
+glass and a heavy thud.</p>
+
+<p>"Something's happening to Exman!" Tom cried.</p>
+
+<p>With Bud at his heels, the young inventor dashed into the
+laboratory.</p>
+
+
+
+
+<span class = "pagenum">99</span>
+<a name = "page99"> </a>
+<h5 class = "left chapter"><a name = "chap_12">CHAPTER XII</a></h5>
+<h4>EXMAN TAKES ORDERS</h4>
+
+
+<p><span class = "firstword">A strange</span>
+sight greeted Tom's and Bud's eyes. In the first rays of sunlight, the
+space robot was moving back and forth about the laboratory in wild
+zigzag darts and lunges.</p>
+
+<p>As he rolled toward a bench or other object, the brain energy seemed
+to send out invisible waves that knocked things over! Already the floor
+was strewn with toppled lab stools, books, and broken test tubes. The
+heavy thud had apparently been caused by a falling file cabinet.</p>
+
+<p>"Stop him!" Bud yelped.</p>
+
+<p>Exman was heading straight for a plate-glass window! Reaching from
+floor to ceiling, the glass formed one entire wall of the
+laboratory.</p>
+
+<p>"Oh, no!" Tom tensed, realizing that it was hopeless to try to stop
+Exman in time.</p>
+
+<p>
+But an instant later, the rolling robot stopped of its own accord, as if
+registering the fact that its
+<span class = "pagenum">100</span>
+<a name = "page100"> </a>
+energy waves were now striking a fragile surface. The thick pane of
+glass vibrated in its frame.</p>
+
+<p>"Good grief!" Tom wiped his brow. "Let's corral that thing before he
+wrecks the whole lab!"</p>
+
+<p>Exman was already rolling off on a new tack. The two boys managed to
+grab him before more harm was done. The brain energy in its container
+seemed to calm under their touch.</p>
+
+<p>"What in the name of space science triggered it off?" Bud wondered
+out loud.</p>
+
+<p>"Time. It must have reacted to the passage of time," Tom conjectured.
+"I&nbsp;suppose it just decided to explore this place." He added a bit
+nervously, "The sooner we can communicate with this energy, the
+better!"</p>
+
+<p>"But how?" Bud asked.</p>
+
+<p>Tom's brow furrowed. "Say, I wonder if Exman might understand a
+direct order?"</p>
+
+<p>Tom backed a few paces away from the space robot, then said in a
+loud, clear voice, "Come here!"</p>
+
+<p>Exman remained fixed to its spot.</p>
+
+<p>"Move right!" No response. "Move left!" Still no response.</p>
+
+<p>"Guess you're not getting through, skipper," Bud commented with a
+grin.</p>
+
+<p>
+"No," Tom agreed. "I can't predict what kind of energy this brain will
+respond to. Being only energy, it must respond to other energy and sound
+is our form of energy. The problem is the same
+<span class = "pagenum">101</span>
+<a name = "page101"> </a>
+as with radio waves, which are also energy. We must figure out how we
+can vary the energy, so it can transmit information to Exman."</p>
+
+<p>"What <i>do</i> we try?" Bud asked. "Or is it hopeless?"</p>
+
+<p>"I'll try communicating with it via the electronic brain, which I
+have adapted to fit this problem."</p>
+
+<p>The boys cleaned up the wreckage caused by Exman in his dawn
+venturings. Then Tom went by jeep to the computer laboratory, made
+connections to his electronic brain, and wired it for remote control.
+Then he returned to the private laboratory. There Bud watched as he
+hooked up the leads from the computer to a transmitting-receiving
+decoder with a short-range antenna.</p>
+
+<p>"Speak, O Master!" Bud said, imitating a squeaky robot voice. "Sound
+off loud and clear!"</p>
+
+<p>Tom grinned and tapped out a command on the keyboard: <i>Move
+backward.</i></p>
+
+<p>Exman rolled backward! Bud gave a whoop of delight.</p>
+
+<p>Tom signaled: <i>Move forward.</i> Obediently Exman rolled
+toward&nbsp;him.</p>
+
+<p><i>Stop.</i> Exman stopped.</p>
+
+<p>"Hey, how about that?" Bud exclaimed happily. "It really savvies
+those electronic brain impulses!"</p>
+
+<p>"And minds them&mdash;which is equally important," Tom added.</p>
+
+<p>
+<span class = "pagenum">102</span>
+<a name = "page102"> </a>
+A moment later the brain energy seemed to become impatient. It spurted
+off in its wheeled container toward a laboratory workbench.</p>
+
+<p><i>Crash!</i> A rack of test tubes went sailing to the floor with an
+explosion of tinkling glass.</p>
+
+<p><i>Stop!</i> Tom signaled frantically. Again Exman obeyed the
+order.</p>
+
+<p>"It's like a mischievous kid," Bud said.</p>
+
+<p>Almost as if in defiance, Exman scooted off in another direction.
+Then it stopped abruptly and swiveled around, one of its antenna arms
+knocking a Bunsen burner to the floor as it did&nbsp;so.</p>
+
+<p><i>Come here!</i> Tom signaled. As the culprit approached, he added
+sternly, <i>Stop where you are. And stay there until you receive further
+orders.</i></p>
+
+<p>This time Exman stood patiently, awaiting the next signal. Bud got a
+brush and dustpan, and the boys cleaned up the broken test tubes and
+replaced the burner on its shelf.</p>
+
+<p>Then Tom began feeding more complicated instructions to Exman through
+the electronic brain. He guided him through a number of dancelike
+movements and other drills, and got him to send out a wave of heat which
+the boys could instantly feel. Tom was even able to make the robot aim
+its wave energy so as to short-circuit a switch on an electrical control
+panel.</p>
+
+<p>
+Tom was both pleased and excited. "Bud," he exclaimed, "the brain reacts
+as quickly as that of a highly intelligent being! Just
+imagine&mdash;without
+<span class = "pagenum">103</span>
+<a name = "page103"> </a>
+any sort of decoding equipment, it can pick up and <i>understand</i> the
+radio signals I beam out to it!"</p>
+
+<p>"What we need now," Tom went on, "is a simple language to get our
+ideas across to Exman without having to use the electronic brain all the
+time. That means I must find a way to give Exman senses as we humans
+have&mdash;smell, touch, sight, hearing, taste. Then it could receive
+the same reactions we do and talk directly to us!"</p>
+
+<p>"Sounds like quite an order," Bud said wryly. "Speaking of which, how
+about us phoning Chow an order for breakfast?"</p>
+
+<p>He did so, and a short time later Chow wheeled a food cart into the
+laboratory. As he dished out man-sized helpings of ham and eggs, the
+cook kept a wary eye on Exman. Tom was putting the robot through a few
+more lively maneuvers.</p>
+
+<p>"A good meal'd calm down Ole Think Box," Chow observed grumpily. "But
+what do you feed that there kind o' contraption?"</p>
+
+<p>"Well, not gum, that's for sure!" Bud teased. After tasting his first
+forkful of food, he gasped, "And none of this ham!"</p>
+
+<p>Jumping up from his lab stool, Bud began whirling, dancing around,
+and flapping his arms as if he were burning&nbsp;up.</p>
+
+<p>"Help! Help!" he yelled. "Chow's poisoned me&mdash;just like he did
+Exman!"</p>
+
+<p>
+Chow's leathery old face paled under its desert
+<span class = "pagenum">104</span>
+<a name = "page104"> </a>
+tan. "Great snakes, Tom!" the Texan gulped. "Have I really pizened him?
+Maybe we should call Doc Simpson!"</p>
+
+<p>Doc was the medic in charge of the Enterprises infirmary.</p>
+
+<p>Tom was unable to keep a straight face. "Better call someone with a
+strait jacket&mdash;or a butterfly net!" he said, quaking with laughter.
+"I'm afraid he's just pulling your leg, Chow!"</p>
+
+<p>Chow's jaw clamped shut like a bear trap and he glared at the
+pirouetting young flier. Bud collapsed on his stool, doubled over with
+mirth.</p>
+
+<p>"Sorry, old-timer," he gasped. "I just couldn't resist!"</p>
+
+<p>"Okay, Buddy boy," Chow said darkly. "And mebbe I won't be able to
+resist gettin' even one o' these days!" The cook stumped out of the
+laboratory in his high-heeled cowboy boots, a picture of outraged
+dignity.</p>
+
+<p>"Better watch out, pal!" Tom warned with a grin. "Just remember: it's
+never smart to bite the hand that feeds you!"</p>
+
+<p>"I guess you're right," Bud agreed, wiping away the tears of
+laughter. "I'll remember, just as long as Chow promises not to serve us
+any more armadillo soup or rattlesnake salad!"</p>
+
+<p>Chow's fondness for experimenting with weird dishes was a standing
+joke around Enterprises.</p>
+
+<p>
+The boys ate their meal hungrily. As they were
+<span class = "pagenum">105</span>
+<a name = "page105"> </a>
+finishing, Tom glanced at the big clock on the wall. It was now well
+past eight o'clock.</p>
+
+<p>"Wonder why Dad hasn't come to the lab," he remarked. "I'd better
+call and find out if he's all right."</p>
+
+<p>Tom picked up the telephone and asked the operator for the direct
+line to the Swifts' home. His father answered.</p>
+
+<p>"'Morning, Dad!" Tom greeted him. "I thought after your call last
+night, you'd be over bright and early to see our visitor. He's
+already&mdash;"</p>
+
+<p>"What are you talking about, son?" Mr. Swift broke in. "I&nbsp;didn't
+phone you last night!"</p>
+
+
+
+
+<span class = "pagenum">106</span>
+<a name = "page106"> </a>
+<h5 class = "left chapter"><a name = "chap_13">CHAPTER XIII</a></h5>
+<h4>DISASTER STRIKES</h4>
+
+
+<p><span class = "firstword">Tom</span>
+was thunderstruck. "You didn't phone me? But, Dad, I got the
+call&mdash;I definitely heard your voice!"</p>
+
+<p>"That's impossible," Mr. Swift insisted. "Believe me, son, I slept
+soundly from the time I turned in until a little while&nbsp;ago."</p>
+
+<p>There was a moment of stunned silence as both Swifts realized that
+the telephone call had been faked! Then Tom exclaimed:</p>
+
+<p>"Dad, this is serious!"</p>
+
+<p>"Deadly serious, I agree," his father replied. "Are you calling from
+your&nbsp;lab?"</p>
+
+<p>"Yes!"</p>
+
+<p>"Stay there. I'll be right over," the elder scientist said.</p>
+
+<p>When Mr. Swift arrived, Tom related his conversation with the
+mysterious caller. His father listened with worried eyes and a puzzled
+frown.</p>
+
+<p>
+<span class = "pagenum">107</span>
+<a name = "page107"> </a>
+"It's bad enough that an enemy was able to get the information," Mr.
+Swift remarked. "But, potentially at least, it's even more dangerous
+that he was able to imitate my voice so well. If he could fool you, Tom,
+he could fool anyone!"</p>
+
+<p>"Are you thinking the same thing I am,&nbsp;Dad?"</p>
+
+<p>"That it may have been some insider here at Enterprises?" When Tom
+nodded, his father gravely agreed. "Yes, son, it does look that way. To
+imitate my voice convincingly, it would almost certainly have to be
+someone who's had close contact with us&mdash;either at the plant or
+here in Shopton."</p>
+
+<p>The thought of a traitor at the experimental station was repugnant to
+the Swifts and to Bud as well. Not only were all employees carefully
+screened, but there was a close, almost family relationship among those
+who took part in the exciting scientific ventures at Swift
+Enterprises.</p>
+
+<p>Tom called Security and asked Harlan Ames to come over to the
+laboratory at once. The security chief arrived within moments. Quickly
+Tom filled him in on the details of the puzzling telephone call.</p>
+
+<p>"Think back, skipper," Ames urged. "Was there anything at all you can
+remember about the voice that might give us a tip-off? I mean, was it
+deep, or maybe a bit higher-pitched than you expected? Or anything about
+the way the caller pronounced his words?"</p>
+
+<p>
+<span class = "pagenum">108</span>
+<a name = "page108"> </a>
+Tom shook his head. "Nothing. That's the trouble. He spoke only a couple
+of sentences, but so far as I knew, it <i>was</i> my father
+calling!"</p>
+
+<p>"Hmmm." Ames frowned. "What about background noises?"</p>
+
+<p>Tom thought hard. "None. If I had detected any special sounds during
+the call, I'm sure they would have stuck in my mind."</p>
+
+<p>Ames tried another tack. He asked how many people had known about the
+expected arrival of the brain energy from space. This was harder to
+answer, but as Tom and his father enumerated the persons, it did help to
+narrow the circle of suspects.</p>
+
+<p>Besides the Swifts, Chow, Phyl, Ames, and George Dilling, there were
+three groups who had had access to the information. One was the radio
+operators at the space-communications laboratory. Another consisted of
+Arv Hanson and Hank Sterling and the workmen who had taken part in
+building the energy container. The last group, which also included Hank
+and Arv, were the technicians who had actually gone to the hillside to
+await the visitor from Planet&nbsp;X.</p>
+
+<p>Tom scowled. "None of those people would pull such a trick,
+Harlan&mdash;any more than the ones like you and Arv and Hank who are
+above suspicion. Most of them could have easily obtained the news
+without going through such a rigmarole."</p>
+
+<p>
+Mr. Swift nodded. "Tom's right. Unless, of
+<span class = "pagenum">109</span>
+<a name = "page109"> </a>
+course, they had some urgent reason for wanting to find out as soon as
+possible."</p>
+
+<p>"Which makes me think it may have been an outsider after all," Tom
+argued. "Remember, the Brungarians may have intercepted the code
+messages to or from our space friends." After a moment's silence, he
+added gloomily, "Whoever the caller was, he knew the energy was
+arriving. And now he knows it's here!"</p>
+
+<p>Bud interjected, "Well, if he was a Brungarian agent and he's hoping
+to steal the brain energy, one thing's sure. No earthquake will demolish
+this place as long as the energy is here at Enterprises."</p>
+
+<p>"A comforting thought, Bud," Mr. Swift commented with a wry
+smile.</p>
+
+<p>Again Tom frowned. "At any rate, Harlan, see if you can get a line on
+that impostor."</p>
+
+<p>Ames departed to begin a thorough check of all personnel at the plant
+who might have been implicated. Bud went on an errand, as Tom began
+showing his father the accomplishments of the space robot.</p>
+
+<p>"We've christened him Exman," Tom said.</p>
+
+<p>By means of the electronic brain, he made the visitor do a number of
+maneuvers in response to orders.</p>
+
+<p>"Wonderful!" Mr. Swift exclaimed, greatly impressed. "Let's see if he
+can use his caterpillar treads as well as he does the wheels."</p>
+
+<p>
+<span class = "pagenum">110</span>
+<a name = "page110"> </a>
+Tom brought a small flight of portable aluminum stairs which he used for
+reaching up on high shelves or tinkering with outsized machines. Tom was
+uncertain at first how to code the command, having no symbol for steps
+or stairs. Finally he moved Exman to the bottom of the steps and
+signaled simply: <i>Go up!</i></p>
+
+<p>Exman paused for a moment, then attempted the ascent. His caterpillar
+tracks clawed their way up the first step. Then, gingerly, he essayed
+the next. The robot body tilted, but its gyro kept it from toppling
+over.</p>
+
+<p>"Bravo!" Mr. Swift applauded encouragingly. But the next instant
+Exman gave up! He slid back to the floor again with a heavy bump. Then
+he began whirling and darting about madly.</p>
+
+<p>"Good night! Exman's gone berserk!" Tom cried.</p>
+
+<p>Now wafts of smoke could be seen issuing from the robot's wheels. He
+was banging wildly about the laboratory, leaving a trail of havoc.</p>
+
+<p>Bud, who had returned, opened the door to come in. Instantly Exman
+lunged toward him, antennas sparking fiercely and wheels smoking. Bud
+slammed the door hastily.</p>
+
+<p>The Swifts, too, found it wiser to take cover. They crouched behind a
+lab workbench until the frenzy was over. Presently Exman subsided and
+rolled to a complete standstill.</p>
+
+<p>
+"Good grief!" Tom stood up cautiously and
+<span class = "pagenum">111</span>
+<a name = "page111"> </a>
+eyed the creature. It made no further move. Bud poked his head through
+the doorway for a wary look, then re-entered the laboratory.</p>
+
+<p>"What made him blow his top?" Bud asked.</p>
+
+<p>Then Tom heard a quiet chuckle from his father. "Actually, boys," the
+elder scientist said, "I&nbsp;think we should be encouraged."</p>
+
+<p>
+<span class = "picture">
+<img src = "images/pic111.jpg" width = "347" height = "289" alt =
+"(Tom Jr. and Tom Sr. watch as Exman tries to climb stairs)"></span>
+"<i>Encouraged?</i>" Tom stared at his father.</p>
+
+<p>Mr. Swift nodded. "Yes, the whole thing was rather a noteworthy
+reaction. I believe Exman was displaying a fear complex about navigating
+up those stairs."</p>
+
+<p>
+Tom gasped, then broke out laughing. "Dad, you're right! I'll bet when
+its body tilted over, the
+<span class = "pagenum">112</span>
+<a name = "page112"> </a>
+brain wasn't sure whether the gyro would keep it from being wrecked. It
+just shows Ole Think Box is getting more human all the time!"</p>
+
+<p>Bud ventured to pat Exman on its "back." "Relax, kid," he said with a
+chuckle. "You're among friends and we wouldn't dream of letting you get
+hurt. You're too valuable!"</p>
+
+<p>Mr. Swift stroked his jaw thoughtfully. "Valuable, yes, if we can
+only get it to communicate. Tom, I believe the first project we should
+work on is a way to make Exman talk."</p>
+
+<p>After the debris had been cleaned up, the two scientists pulled up
+stools to the workbench and began to discuss the problem. Bud, seeing
+them absorbed, and realizing the discussion would soon be far beyond his
+depth, snapped a grinning salute at Exman and quietly left the
+laboratory.</p>
+
+<p>"Dad, the toughest part won't be the speech mechanism itself," Tom
+pointed out. "There are several ways we could handle that&mdash;by
+modulating a column of air, for instance, or by some sort of speaker
+diaphragm. The real stumper will be how to teach him our spoken
+language."</p>
+
+<p>Mr. Swift nodded. "I'm afraid you're right. If the inhabitants of
+Planet X communicate telepathically, or by some sort of wave transfer,
+they may have long since forgotten any concept of a spoken
+language."</p>
+
+<p>The Swifts batted several ideas back and forth. Then Tom snapped his
+fingers.</p>
+
+<p>
+<span class = "pagenum">113</span>
+<a name = "page113"> </a>
+"Wait, Dad! We have the answer! The electronic brain!"</p>
+
+<p>Mr. Swift's eyes lighted up. "Of course! The machine already
+translates the space code into written English. All we need do is add a
+device to convert the machine's impulses into sound!"</p>
+
+<p>In two hours the Swifts had put together a mechanism designed to work
+through a tape recorder. This was hooked up to the electronic brain.</p>
+
+<p>After recording for several moments, Tom reversed the tape and
+switched on the playback. A squeaky jumble of noises could be heard. But
+one word seemed to come through fairly distinctly. "Universe!"</p>
+
+<p>"It's talking!" Tom cried out.</p>
+
+<p>"Trying to, but not succeeding very well," Mr. Swift said.</p>
+
+<p>Nevertheless, the two scientists were jubilant at this first
+breakthrough. Eagerly they began making adjustments&mdash;both on the
+electronic-brain hookup and the converter mechanism. Tom was just about
+to switch on the tape recorder again when the telephone rang.</p>
+
+<p>The young inventor was annoyed at being interrupted at such a crucial
+moment, but picked up the phone. "Tom Swift Jr. speaking."</p>
+
+<p>"You have an urgent call from Washington," the operator informed him.
+"Just a moment, please."</p>
+
+<p>
+<span class = "pagenum">114</span>
+<a name = "page114"> </a>
+Bernt Ahlgren was calling from the Pentagon. The defense expert's voice
+was strained.</p>
+
+<p>"Tom, there's just been another attempt to cause an earthquake here
+in Washington!"</p>
+
+<p>Tom gasped. "What happened?"</p>
+
+<p>"It failed, thanks to you. But Intelligence believes an attempt will
+be made on New York City very soon. We need your help to stop it. How
+near completion are the other shock deflectors?"</p>
+
+<p>Before Tom could answer, he heard excited voices at the other end of
+the line. Then Ahlgren broke in again abruptly.</p>
+
+<p>"A news flash, Tom! The Walling range-finder plant has been
+demolished by an earthquake!"</p>
+
+
+
+
+<span class = "pagenum">115</span>
+<a name = "page115"> </a>
+<h5 class = "left chapter"><a name = "chap_14">CHAPTER XIV</a></h5>
+<h4>AIR-BORNE HIJACKERS</h4>
+
+
+<p><span class = "firstword">Mr. Swift,</span>
+hearing Tom's dismayed reaction, rushed to the telephone.</p>
+
+<p>"What's wrong, son?"</p>
+
+<p>Tom clamped his hand over the mouthpiece and quickly gave his father
+the news of the destroyed range-finder plant. Then he spoke into the
+telephone.</p>
+
+<p>"Bernt, we must prevent another disaster! Let me check with our
+construction company on the Quakelizors and I'll call you right
+back!"</p>
+
+<p>"Right, Tom," Ahlgren agreed.</p>
+
+<p>Both Tom and Mr. Swift were shocked by this latest blow of their
+enemies. Tom called Ned Newton at the Swift Construction Company at once
+and told him the news.</p>
+
+<p>"How soon will the Quakelizors be ready, Uncle&nbsp;Ned?"</p>
+
+<p>
+<span class = "pagenum">116</span>
+<a name = "page116"> </a>
+"They're finished, Tom. We're running a final inspection on them right
+now. We can have them ready to ship out by one o'clock."</p>
+
+<p>Tom relayed word to the Pentagon. Bernt Ahlgren was greatly relieved.
+"By the way," Tom went on, "what about the sites? Have they been
+chosen&nbsp;yet?"</p>
+
+<p>"Only tentatively," Ahlgren replied. "We wanted to get your opinion
+first."</p>
+
+<p>One of the deflectors, Ahlgren felt, should be based in position to
+guard the New York and New England area, in view of Intelligence
+warnings about a probable attack on New York City. Another, in the
+Cumberland plateau region of Kentucky, could damp out shock waves
+threatening either the heavily industrialized Great Lakes area or any
+southern city.</p>
+
+<p>As to the other three Quakelizors, Ahlgren suggested that one be
+installed on the West Coast, one in the Black Hills of South Dakota, and
+the third on the Atlantic island of San Rosario. This would protect both
+Latin-American allies and Caribbean defense bases of the United
+States.</p>
+
+<p>Before deciding, Tom asked that Dr. Miles at the Bureau of Mines be
+circuited into the telephone conversation. Mr. Swift, too, joined in on
+another line. The four scientists discussed the problem and referred to
+geologic maps. Finally the exact sites were agreed upon.</p>
+
+<p>
+<span class = "pagenum">117</span>
+<a name = "page117"> </a>
+"Dad, I'm going to deliver and install one of those Quakelizors myself,"
+Tom declared, after the telephone conference ended. "Judging from that
+phone impostor last night, there's no telling what sort of trick our
+enemies may try next!"</p>
+
+<p>Mr. Swift approved heartily. "Good idea, son. In the meantime, I'll
+see what I can accomplish with Ole Think Box here."</p>
+
+<p>Tom notified Uncle Ned of the delivery sites. He requested that
+because of the urgency of the situation, Swift planes transport the
+Quakelizors. Mr. Newton promised to have five cargo jets loaded and
+prepared for take-off from the construction company airfield.</p>
+
+<p>Next, Tom turned to the job of rounding up flight crews. He decided
+that Hank Sterling, Arv Hanson, Art Wiltessa, and a crack Swift test
+pilot, Slim Davis, would each captain a plane.</p>
+
+<p>Tom was just hanging up the telephone when Chow wheeled in a lunch
+cart, bearing sizzling servings of steak for the two Swifts.</p>
+
+<p>"How's Ole Think Box comin' along?" Chow inquired.</p>
+
+<p>"All right now, but he went berserk a while back," Tom replied with a
+chuckle.</p>
+
+<p>Chow eyed the robot apprehensively and made a hasty exit. Both Tom
+Jr. and Tom Sr. were amused.</p>
+
+<p>
+As they ate, the two scientists continued their
+<span class = "pagenum">118</span>
+<a name = "page118"> </a>
+discussion on how to equip Exman with senses and the power of speech.
+Several minutes later, when they were finishing dessert, Bud came into
+the laboratory.</p>
+
+<p>"Tom, what's this about you hopping off somewhere to install a
+Quakelizor?" he asked anxiously.</p>
+
+<p>"Don't worry, pal. I'll need my usual copilot," Tom said with a grin.
+"Just didn't have time to call you before lunch. We'll be flying down to
+a place called San Rosario in the Caribbean."</p>
+
+<p>At one o'clock Tom briefed the flight crews and technicians. Slim was
+provided with three men who had worked on the original model of the
+quake deflector. After making sure that every man knew his job, Tom had
+the groups flown by helicopter over to the Swift Construction Company
+airfield.</p>
+
+<p>Tom and Bud's cargo jet was the second to take off. On signal from
+the tower, the big workhorse thundered down the runway and soared off
+into the blue. Soon it was spearing southward above the waters of the
+Atlantic.</p>
+
+<p>Presently Bud drew Tom's attention to some blurry specks of light on
+the radarscope. "Looks like a formation of planes, skipper."</p>
+
+<p>Tom studied the blips for a while. "Guess you're right. It's sure not
+a flock of sea gulls!" The young inventor frowned.</p>
+
+<p>"Worried, Tom?" Bud asked quietly.</p>
+
+<p>
+<span class = "pagenum">119</span>
+<a name = "page119"> </a>
+Tom shrugged. "It could be a routine military flight."</p>
+
+<p>He increased speed and climbed for altitude. But the blips on the
+radarscope showed that the planes were coming steadily closer. It was
+clear that they were targeting on the Swift cargo&nbsp;jet.</p>
+
+<p>Tom switched on the radio. Presently a voice crackled over their
+headphones:</p>
+
+<p>"Calling Swift jet!" The voice was heavily accented.</p>
+
+<p>"Brungarians!" Bud muttered.</p>
+
+<p>Tom made no reply to the radio challenge. Again came the voice:</p>
+
+<p>"Calling Swift jet! Make emergency landing on the water!"</p>
+
+<p>Tom's only response was a fresh burst of speed. Gunning the jet
+motors, he sent the big cargo ship arrowing forward at supersonic
+velocity.</p>
+
+<p>"There they are!" Bud cried suddenly. He pointed to a cluster of
+silvery glints in the sky at seven o'clock.</p>
+
+<p>Tom zoomed downward into a billowing cloud bank. It was a feeble hope
+and Tom knew it. His only real chance now was to outrun or outmaneuver
+the marauders.</p>
+
+<p>The slim hope faded as they emerged from the cloud cover moments
+later. The enemy planes were not only still dogging them, but closing in
+rapidly. Sleek, needle-nosed attack ships, they appeared to have
+seaplane hulls.</p>
+
+<p>
+<span class = "pagenum">120</span>
+<a name = "page120"> </a>
+"Wow! Those are new ones!" Bud gasped.</p>
+
+<p>"Our last warning to Swift jet! Hit the water or be shot down!" came
+the enemy voice.</p>
+
+<p>Tom raced along, his mind searching frantically for a method of
+escape.</p>
+
+<p>Bud switched off radio power momentarily. "If we're going to be
+hijacked, skipper, let's ditch your invention before it's too late!"</p>
+
+<p>Tom shook his head stubbornly. "Why should I let those pirates
+bulldoze us? Actually, I think they're after Exman!"</p>
+
+<p>This last thought was a hunch that had just occurred to Tom. It was
+clear that their foe had learned about the arrival of the energy from
+space. "But so far," Tom reasoned, "there's no cause to suppose they
+know anything about the quake deflectors."</p>
+
+<p>Stalling for time, Tom switched on the radio again and spoke into the
+mike. "Swift jet to attack planes. Our home base is picking up every
+word of your threats. Shoot us down and America will consider it an act
+of war!... Care to risk&nbsp;it?"</p>
+
+<p>There was a moment's silence, then a reply. "War, you say? How can
+there be a question of war? War against whom? You do not even know our
+national identity!"</p>
+
+<p>"Don't kid yourselves, mister!" Bud put in with a snarl. "We know,
+all right, and so does United States Intelligence!"</p>
+
+<p>
+Tom decided to risk a blunt query, without
+<span class = "pagenum">121</span>
+<a name = "page121"> </a>
+actually giving away any facts, in case his hunch about the Brungarian's
+knowledge was wrong.</p>
+
+<p>"There was a phone call to Swift Enterprises last night," he radioed.
+"We know it was a fake. We also know your agents are aware of our
+visitor.... Right?"</p>
+
+<p>After a pause, the enemy spokesman replied, "Perhaps. If so, what
+then?"</p>
+
+<p>"Just this," Tom radioed back. "If you're hoping to meet our visitor,
+you're out of luck. I'll give you my word for it. Do you think we'd risk
+such a valuable character in an unguarded crate like this?"</p>
+
+<p>Tom and Bud looked at each other. Somehow, both boys felt
+instinctively that Tom's words had struck home. The enemy had certainly
+risen to the bait.</p>
+
+<p>Finally came the reply. "You Swifts have a reputation for scrupulous
+honesty." There was a slight sneer in the speaker's voice as if he
+considered this a foolish weakness. "You give me your word of honor that
+this&mdash;er&mdash;character is not aboard?"</p>
+
+<p>"I do!" Tom snapped. "And if you don't trust me, go ahead and risk a
+war!"</p>
+
+<p>The boys waited breathlessly for the outcome of Tom's bold gamble.
+Soon they saw the result. The pursuing planes suddenly peeled off and
+sped away in the direction from which they had first appeared.</p>
+
+<p>
+<span class = "pagenum">122</span>
+<a name = "page122"> </a>
+"Whew!" Bud wiped his hand across his face and drew it away moist with
+perspiration. "How do you like that?"</p>
+
+<p>Tom chuckled with relief. "I like it fine, fly boy. But I was sure
+worried there for a while!"</p>
+
+<p>Less than an hour later, the big cargo jet touched down at the San
+Rosario airport. An armed guard was on hand to greet the boys, under
+command of an officer named Captain Sanchez. He had brought along a work
+crew of soldiers and also a geology expert, Professor Leone, from the
+island's small technical school.</p>
+
+<p>"I have selected a spot on the eastern shore of the island," the
+professor told Tom. He unrolled a map and explained the site.</p>
+
+<p>"Excellent," Tom agreed.</p>
+
+<p>The Quakelizor parts, communications equipment, and small atomic
+earth blaster were quickly unloaded and transported to the site by
+trucks. In three hours the installation was finished.</p>
+
+<p>Tom, who spoke Spanish fairly well, explained to a small group of San
+Rosario military technicians how the quake deflector worked. He also
+detailed one of his own men to stay on as trouble shooter for the
+setup.</p>
+
+<p>"And now," said Captain Sanchez, beaming, "we must relax and
+celebrate the friendship of our two countries."</p>
+
+<p>
+Tom and Bud, though eager to get home, hesitated to hurt the friendly
+officer's feelings. They
+<span class = "pagenum">123</span>
+<a name = "page123"> </a>
+sat through a delicious meal, followed by numerous speeches. When his
+own turn to speak came, Tom used it to warn against possible sabotage
+attempts by the Brungarians. At last the boys were allowed to take off
+with their crew.</p>
+
+<p>"Swell guys," Bud said, when the boys were airborne, "but a bit hard
+to break away from!"</p>
+
+<p>Tom grinned, then became serious. "You know, Bud," he said
+thoughtfully, "those aerial hijackers gave me an idea."</p>
+
+<p>"Let's have it, skipper."</p>
+
+<p>"If only I could get Exman perfected so he would report back to me,"
+Tom explained, "I could <i>let</i> him be <ins class = "correction"
+title = "normal spelling in this text">kidnaped</ins>. Think what a
+wonderful 'inside man' he'd make in the enemy setup! He could tip us off
+to everything the Brungarians were doing!"</p>
+
+<p>"Hey, that's neat!" Bud exclaimed, wide-eyed. "But how could you be
+sure those Brungarian rebel scientists wouldn't change him somehow? I
+mean they might brainwash him or something."</p>
+
+<p>"It's a risk," Tom agreed. "But that's my problem&mdash;how to make a
+perfect spy out of&nbsp;him."</p>
+
+<p>It was midnight when the cargo jet touched down on the Enterprises
+airfield. The boys slept soundly.</p>
+
+<p>
+The next morning Tom reported to Mr. Swift and Harlan Ames the outcome
+of his trip to San Rosario, including the attack en route by unmarked
+sky raiders. He also privately told his
+<span class = "pagenum">124</span>
+<a name = "page124"> </a>
+father about his plan to use Exman as an electronic spy. Mr. Swift was
+enthusiastic.</p>
+
+<p>The two scientists promptly set to work. Mr. Swift built two powerful
+but miniature radio sets; one for receiving, one for transmitting. Tom,
+meanwhile, was busy on another device, also highly miniaturized,
+combining features of both the electronic decoder and Tom's famous
+midget computers, known as Little Idiots.</p>
+
+<p>With this equipment, Tom hoped, Exman would be able to monitor all
+communications at Brungarian rebel headquarters, then radio the
+information to Enterprises.</p>
+
+<p>Chow brought lunch to the laboratory at noon, and Bud came in later.
+Both stayed to watch the outcome of the experiment. Hank Sterling and
+Arv Hanson joined the group.</p>
+
+<p>By midafternoon the equipment was ready for a tryout. Tom opened
+Exman's star head, inserted the gear, and made the delicate wiring
+connections.</p>
+
+<p>"So far, so good," the young inventor murmured, stepping back. "Now
+for the real test! Will Exman answer our questions?"</p>
+
+<p>Tom walked over to the electronic decoder brain and began to tap out
+a message on the keyboard. The others waited in breathless suspense.</p>
+
+
+
+
+<span class = "pagenum">125</span>
+<a name = "page125"> </a>
+<h5 class = "left chapter"><a name = "chap_15">CHAPTER XV</a></h5>
+<h4>KIDNAPED!</h4>
+
+
+<p><span class = "firstword">The</span>
+message which Tom signaled in code over the electronic brain said:</p>
+
+<blockquote>
+WE HAVE A DANGEROUS PLAN. IF PLAN WORKS, YOU MAY BE EXPOSED TO ENEMY
+TAMPERING. WILL THIS BE SAFE? CAN YOU STAND THIS?
+</blockquote>
+
+<p class = "space">
+There was a tense pause. Then the signal bell rang on the machine and
+the keys began to punch out a reply on tape:</p>
+
+<blockquote>
+NO ONE CAN ALTER THIS BRAIN NOR CAN THEY CHANGE ITS PURPOSE. THEY CAN
+ONLY DESTROY THE ENERGY HOLDER.
+</blockquote>
+
+<p class = "space">
+As Tom finished reading the message aloud, Chow gave a whoop of delight
+and the whole group burst into spontaneous cheers.</p>
+
+<p>
+"Terrific, skipper!" Bud exclaimed, clapping
+<span class = "pagenum">126</span>
+<a name = "page126"> </a>
+his pal on the back. The others gathered around to add their
+congratulations.</p>
+
+<p>Mr. Swift, beaming with pride, gave Tom a quick hand-squeeze. "It's
+an amazing achievement, son. And it may prove to be the key for
+unlocking the secrets of space, if and when we have time for some
+research after this crisis is over."</p>
+
+<p>"I sure hope so, Dad," Tom murmured. Though jubilant, the young
+inventor realized that this was only the first step in his plan to
+checkmate the Brungarian rebels.</p>
+
+<p><i>The real perils still lay ahead!</i></p>
+
+<p>Tom called Harlan Ames and asked him to come to the laboratory for a
+conference. When the security chief arrived, he was as impressed as the
+others with the way Tom was able to communicate with Exman.</p>
+
+<p>"The problem now," Tom said, "is how do we have him kidnaped?"</p>
+
+<p>Chow, wary as a coyote, offered his opinion that the safest way would
+be merely to leave the space robot unguarded somewhere about the grounds
+of Enterprises.</p>
+
+<p>Ames shook his head. "Too obvious. They'd suspect a trap." Tom
+agreed.</p>
+
+<p>"Wal, then, how about truckin' him along the highway hereabouts, as
+if you all were sendin' him down to Washington?"</p>
+
+<p>
+This, too, was vetoed on the grounds that a shrewd espionage agent would
+guess that such
+<span class = "pagenum">127</span>
+<a name = "page127"> </a>
+a valuable prize would never be entrusted to a slow and vulnerable
+method of transport.</p>
+
+<p>"Then what about an air flight?" Hank Sterling suggested.</p>
+
+<p>"Brand my six-guns, that'd be jest beggin' to git yourself shot
+down!" Chow fumed.</p>
+
+<p>"Not if we used a plane like the <i>Sky Queen</i>, equipped with jet
+lifters," Hank argued. "If any hijack planes jumped us, they'd have to
+let us come down safely in order to get their hands on Exman. We could
+land on the water or just hover while they made the transfer."</p>
+
+<p>"And after they had it safe aboard their own plane, they'd blast
+yours to smithereens!" Chow retorted.</p>
+
+<p>Tom, too, thought a plane flight unwise, but for different reasons.
+It might look suspicious to the Brungarians after the Swifts had been
+warned by one aerial hijack attempt. Also, they might be deterred by
+fear of war, thinking that the United States Air Force would doubtless
+be alerted to the possibility of attack.</p>
+
+<p>"So right," Ames agreed. After a thoughtful pause, he added, "Tom,
+what about transporting Exman by submarine? We know that every spy
+apparatus in this hemisphere is constantly trying to probe what goes on
+at Fearing Island, where our subs are based."</p>
+
+<p>"No doubt about that," Tom conceded.</p>
+
+<p>
+"So," Ames continued, "any move to Fearing
+<span class = "pagenum">128</span>
+<a name = "page128"> </a>
+would certainly make the Brungarian agents prick up their ears. Their
+own spy subs probably would come prowling around the island and detect
+the departure of a Swift sub. And they might feel that an undersea
+hijack attempt would be a fairly safe gamble."</p>
+
+<p>The others looked thoughtful, then slowly nodded in agreement. Ames's
+reasoning sounded highly logical.</p>
+
+<p>"Tom, you'll insist on going, I suppose," Mr. Swift said
+somberly.</p>
+
+<p>"Of course, Dad. After all, the kidnap plan was my own idea," Tom
+replied. "Another thing I'll insist on is that you <i>don't</i> go. We
+have Mother and Sandy to think of, and it's not right that both of us
+risk our necks."</p>
+
+<p>Realizing that it was hopeless to dissuade his son, and realizing the
+basic fairness of Tom's position, Mr. Swift did not argue. Bud, Hank,
+Chow, and Arv immediately volunteered to accompany the young inventor on
+his dangerous mission.</p>
+
+<p>Tom gratefully accepted their help. He asked all hands to assemble on
+the Enterprises airfield at six the next morning for the flight to
+Fearing.</p>
+
+<p>
+After the others had left, Tom and his father resumed their experiments
+with Exman. Mr. Swift suggested adding a device to the radio equipment
+to make it disintegrate if tampered with.
+<span class = "pagenum">129</span>
+<a name = "page129"> </a>
+"Before those rebel Brungarians can learn the secret of your
+electronic&nbsp;spy."</p>
+
+<p>"Good idea, Dad. And how about our doing the job with Swiftonium?"
+This was an unusual radioactive ore which Tom had discovered in South
+America.</p>
+
+<p>Mr. Swift nodded as he began work.</p>
+
+<p>Tom watched admiringly as his father reconstructed the radio, coating
+the entire thing with a Swiftonium compound. He at once placed the set
+in a small oven which he raised to 50 degrees centigrade.</p>
+
+<p>"When this cools, the set will be stable," Mr. Swift said. "But if
+you should move any part of it after it cools, all of the organic parts,
+like the circuit boards, the insulation, the carbon resistors, etc.,
+will oxidize and disappear as gas. You will not even be able to tamper
+with a single unit."</p>
+
+<p>"Wonderful, Dad," Tom murmured when the device was finished.
+"I&nbsp;wish I had your know-how in microchemistry."</p>
+
+<p>"And I wish I had yours in electronics!" the elder scientist declared
+with a chuckle.</p>
+
+<p>After Mr. Swift had installed the device in Exman's star head, Tom
+used the electronic brain to inform the robot about the whole
+scheme.</p>
+
+<p>Both Tom Jr. and Tom Sr. were delighted when Exman showed real
+enthusiasm. It replied via the printed tape on the decoder:</p>
+
+<span class = "pagenum">130</span>
+<a name = "page130"> </a>
+<blockquote>
+DO NOT WORRY, MY FRIENDS. I WILL NOT RESPOND TO ANY ATTEMPTS BY
+BRUNGARIAN SCIENTISTS TO COMMUNICATE WITH ME. MY PLANET IS WELL AWARE OF
+THEIR DANGEROUS AIMS. HAVING CONQUERED YOUR WORLD, THEY WOULD NEXT
+INVADE SPACE.
+</blockquote>
+
+<p class = "space">
+"Looks as though Exman's got their number, all right!" Tom said with
+satisfaction.</p>
+
+<p>Early the next morning Mr. Swift drove Tom to the Enterprises
+airfield to meet his friends. Hank Sterling, Bud, and Chow were already
+on hand, and Arv Hanson arrived a few moments later. Tom and Bud left
+the others to bring Exman in a small panel truck.</p>
+
+<p>Soon the space robot was safely loaded aboard a transport helicopter.
+The others took their places inside the cabin.</p>
+
+<p>"Good luck, son!" Mr. Swift forced a smile as he gave Tom a parting
+handshake.</p>
+
+<p>"Don't worry, Dad. I'll be back soon!" Tom assured him. The nature of
+the trip had been described only vaguely to Mrs. Swift and Sandy in
+order to keep them from worrying.</p>
+
+<p>The short hop overwater to Fearing Island was soon completed. Lying
+just off the Atlantic coast, Fearing had once been a barren,
+thumb-shaped expanse of scrubgrass and sand dunes. Now it was the
+Swifts' top-secret rocket base, tightly guarded by drone planes and
+radar.</p>
+
+<p>
+<span class = "pagenum">131</span>
+<a name = "page131"> </a>
+As the helicopter approached its destination, Tom radioed for clearance,
+then whirred down toward the landing field. The barracks, workshops, and
+launching area of the base lay spread out in full view. Cargo rockets
+bristled on their launching pads, along with Tom's spaceships, including
+the mighty <i>Titan</i>, and the oddly shaped <i>Challenger</i> and
+<i>Cosmic Sailer</i>.</p>
+
+<p>North and south, the island was fringed with docks. Here the recovery
+tugs and fuel tankers were moored, as well as the Swifts' fleet of
+undersea craft.</p>
+
+<p>Tom had chosen a cargo-hauling jetmarine, named the <i>Swiftsure</i>.
+It was a larger version of his original two-man jet sub, the <i>Ocean
+Dart</i>. He had given orders the night before to have it ready for sea
+by morning.</p>
+
+<p>By jeep and truck, Tom's group sped across the island to the dock.
+Exman was quickly lowered aboard through the sub's hatch. The others
+followed, the conning-tower hatch was dogged shut, and soon the
+<i>Swiftsure</i> was gliding off into the shadowy blue-green depths.</p>
+
+<p>"What's your sailing plan, skipper?" Hank Sterling inquired. The
+quiet-spoken, square-jawed engineer stood beside Tom at the atomic
+turbine controls and looked out through the transparent nose of the
+jetmarine.</p>
+
+<p>"Go slow. Give 'em plenty of chance to pick up our trail," Tom
+replied.</p>
+
+<p>
+<span class = "pagenum">132</span>
+<a name = "page132"> </a>
+For two hours they cruised at moderate speed. Nothing happened.
+Disappointed, Tom surfaced and radioed his father for news, after
+cutting in the automatic scrambling device.</p>
+
+<p>"You're in time for an exciting flash," Mr. Swift reported
+jubilantly.</p>
+
+<p>"What is it, Dad?"</p>
+
+<p>"An attempt to earthquake New York has just failed!"</p>
+
+<p>Grins broke out on the faces of the crew as they heard Mr. Swift's
+words come over the loud-speaker. Bud let out a happy whoop.</p>
+
+<p>"That's great, Dad!" Tom said. "Maybe we've got 'em licked on the
+quake front. No luck so far, though, on our new project."</p>
+
+<p>"Well, keep in touch and let me know at once if anything happens,"
+Mr. Swift urged.</p>
+
+<p>"Right, Dad!" Tom promised.</p>
+
+<p>Again the <i>Swiftsure</i> submerged. This time it was only a few
+minutes before Arv Hanson gave a cry of warning.</p>
+
+<p>"Something on the sonarscope, skipper!"</p>
+
+<p>Bud, Hank, and Chow hastily gathered around the scope to watch. The
+blip grew larger rapidly. It was clearly another submarine, closing in
+on a collision course.</p>
+
+<p>
+Tom put on a burst of speed, as if attempting to outrace their pursuer.
+But he was careful to gauge his knots by reports from the sonarscope, in
+order not to widen the gap between the two
+<span class = "pagenum">133</span>
+<a name = "page133"> </a>
+craft. There seemed no danger that this would happen, although the
+<i>Swiftsure</i> raced ahead faster and faster. Still the enemy sub
+continued to close in like a marauding shark, finally passing Tom's
+craft.</p>
+
+<p>"Some baby!" Bud muttered respectfully.</p>
+
+<p>The words were hardly out of his mouth when a missile streaked across
+their bow, in plain view through the <i>Swiftsure's</i> transparent
+nose. Its foaming wake rocked the jetmarine.</p>
+
+<p>"They're attacking us!" Bud cried out.</p>
+
+<p>Tom slammed shut the turbine throttle, bringing his craft to a
+gliding halt in the water. At the same time, he switched on the
+sonarphone.</p>
+
+<p>"Orders to Swift sub!" a voice barked over the set. "Surface and
+heave to! No tricks, or the next missile will not be across your
+bow!"</p>
+
+<p>Tom blew his tanks and sent the <i>Swiftsure</i> spearing upward. As
+the conning tower broke water, Tom and his men swarmed up on deck.
+Seconds later, a sleek gray enemy submarine knifed into view. Its hatch
+opened and several men climbed&nbsp;out.</p>
+
+<p>To Tom's amazement, their leader was Samson Narko!</p>
+
+<p>Chow let out a yelp of rage. "Why, you sneakin', double-dyed,
+bushwhackin' polecat!" the old Westerner bellowed. "We shoulda kept you
+hawg-tied, 'stead o' lettin' you go free!"</p>
+
+<p>
+Narko ignored the outburst and raised a megaphone
+<span class = "pagenum">134</span>
+<a name = "page134"> </a>
+to his lips. "Hand over your cargo and do it quickly!"</p>
+
+<p>"What cargo?" Tom snapped back. "And what's the meaning of this
+outrage? You realize this is piracy?"</p>
+
+<p>"I realize you will wind up on the bottom at the slightest show of
+resistance!" Narko warned menacingly. "You know very well what cargo I
+refer to! Now do not try our patience!"</p>
+
+<p>Tom and his crew pretended to put up a blustering, indignant front.
+Chow was especially convincing, with a blistering torrent of salty Texas
+invectives.</p>
+
+<p class = "illustration">
+<img src = "images/pic134_135.jpg" width = "562" height = "291"
+alt = "(a submarine attacks the Swiftsure)"></p>
+
+<p>
+Narko's only response was a barked-out order to his men in Brungarian.
+Quickly the enemy submarine maneuvered closer until the two craft
+<span class = "pagenum">135</span>
+<a name = "page135"> </a>
+were almost chockablock. Narko and his men then leaped aboard the
+<i>Swiftsure</i>, armed with sub-machine guns and automatics.</p>
+
+<p>"I'm warning you, Narko&mdash;" Tom began angrily. But Narko cut the
+young inventor short by a poke in his ribs with the gun muzzle, then
+issued orders to two of his men to go below.</p>
+
+<p>Moments later, Exman was being hauled up through the hatch and
+transferred aboard the raider. The Americans glared in angry
+silence.</p>
+
+<p>
+<span class = "pagenum">136</span>
+<a name = "page136"> </a>
+"Thanks so much, my stupid friends!" Narko taunted them with a jeering
+laugh. Then he followed his crewmen as the last one scrambled back to
+the enemy submarine.</p>
+
+<p>With laughs and waves, they disappeared into its conning tower. The
+hatch was clamped shut and the raider promptly submerged.</p>
+
+<p>Tom and his men were amazed, but delighted at not having been taken
+prisoner along with Exman. All of them broke into happy chuckles of
+relief.</p>
+
+<p>"Wow! That's what I call fast service!" Bud exclaimed.</p>
+
+<p>"It was sure a blamed sight easier'n I expected," Chow said. "Thought
+fer a while we might end up feedin' the fishes!"</p>
+
+<p>"You put on a real act, Chow!" Tom said, clapping the stout old cook
+on the back. "Well, they've taken the bait. Now let's hope it pays
+off&mdash;for us!"</p>
+
+<p>The Americans swarmed below again, closed the hatch, and submerged.
+Tom took his time in bringing the jet pumps up to speed. "Wonder if we
+should pretend to proceed on course, or turn around and head for home?"
+he murmured to Hank.</p>
+
+<p>Hank's reply was cut short by a yell from Hanson at the
+sonarphone.</p>
+
+<p>"Missile coming, skipper! Straight at us!"</p>
+
+
+
+
+<span class = "pagenum">137</span>
+<a name = "page137"> </a>
+<h5 class = "left chapter"><a name = "chap_16">CHAPTER XVI</a></h5>
+<h4>A UNIQUE EXPERIMENT</h4>
+
+
+<p><span class = "firstword">"Bearing?"</span>
+Tom cried.</p>
+
+<p>"One-seven-five!" Arv Hanson sang out.</p>
+
+<p>Tom gunned his port jet turbine and swung the <i>Swiftsure</i> hard
+right. The abrupt turn at high speed sent the craft sideslipping crazily
+like a skidding race boat.</p>
+
+<p>"Here she comes, skipper!" Bud yelled. He had rushed to the
+sonarscope with the other members of the crew.</p>
+
+<p>Tom's maneuver had carried them a good hundred yards off the
+missile's course. Now he yanked a lever, pulling the cadmium rods still
+farther from the atomic pile, in order to increase power and jet-blast
+their sub still farther out of range.</p>
+
+<p>But suddenly the men at the scope blanched. "The missile's turning
+too!" Hank cried. "It's homing in on us!"</p>
+
+<p>
+Unlike most Swift craft used on scientific
+<span class = "pagenum">138</span>
+<a name = "page138"> </a>
+expeditions, the cargo sub's hull had not been coated with Tomasite.
+This would have insulated it from all magnetic effects or any form of
+pulse detection. Tom had chosen the <i>Swiftsure</i> partly for this
+very reason, so that the Brungarian rebels could easily pick up its
+trail after leaving Fearing.</p>
+
+<p>How ironic if his choice should prove fatal! As the thought flashed
+through Tom's brain, the missile came streaking into view through the
+sub's transparent nose.</p>
+
+<p>By this time, Tom had flipped up the <i>Swiftsure's</i> diving
+planes. The craft plummeted deeper into the ocean depths.</p>
+
+<p>"Brand my whale blubber, she's turnin' again!" Chow gulped. The
+missile's arc, as it veered around to follow, painted a streak of light
+on the sonarscope.</p>
+
+<p>Anxious moments raced by while Tom steered their craft in a deadly
+game of tag with the sub-killer. Gradually the missile appeared to be
+losing momentum.</p>
+
+<p>"It's slowing down, all right!" Arv called&nbsp;out.</p>
+
+<p>In a few minutes the missile had lost so much way that Tom was easily
+able to outdistance it. The crew crowded to the scope, heaving sighs of
+relief. The missile, its velocity spent, sank harmlessly toward the
+bottom.</p>
+
+<p>"Boy, what a close call!" Bud gasped weakly. "You played that thing
+like a toreador sidestepping a bull, Tom! Nice going!"</p>
+
+<p>
+<span class = "pagenum">139</span>
+<a name = "page139"> </a>
+The others echoed Bud's sentiments, with fervent handshakes and
+backslaps for Tom's skillful evasive action.</p>
+
+<p>"Jest the same," said Chow, "I'd sure like to make Narko an' them
+Brungarian hoss thieves dance a Texas jig with a little hot lead sprayed
+around their boot heels! Sneakin' bushwhackers! It's jest like I told
+Hank about his airplane scheme&mdash;they'd try to gun us down, like as
+not, soon as they got their hands on Exman!"</p>
+
+<p>"I guess you had them figured right, Chow," Tom agreed wryly. "Well,
+at least we've lost their sub!"</p>
+
+<p>The Brungarian raider was no longer visible even as a faint blip on
+their radarscope. Evidently Narko had thought the jetmarine a sure
+victim and headed back to his own base.</p>
+
+<p>Nevertheless, Tom steered a wary zigzag course back to Fearing. When
+they arrived at the island, he immediately telephoned Bernt Ahlgren and
+Wes Norris in Washington to report the hijacking of the space brain.
+Both men praised the young inventor for his daring scheme to outwit the
+ruthless Brungarian rebel clique.</p>
+
+<p>"If your idea pays off, Tom, we should be able to checkmate every
+move those phonies and their allies make!" Norris declared.</p>
+
+<p>
+"I'm hoping we can do even better than that," Tom replied. "Part of my
+plan is to help the Brungarian loyalists through Exman's tip-offs.
+<span class = "pagenum">140</span>
+<a name = "page140"> </a>
+With some smart quarterbacking, we might be able to rally the rightful
+government before all resistance is crushed&nbsp;out."</p>
+
+<p>"Terrific!" Norris exclaimed. "Let's hope your scheme works!"</p>
+
+<p>Tom had ordered the space oscilloscopes to be manned constantly, both
+at Fearing and at Enterprises, in case of a flash from Exman. But no
+word had yet been received when Tom and his companions arrived at the
+mainland late that afternoon.</p>
+
+<p>Mr. Swift greeted his son warmly at the airfield. Tom had refrained
+from radioing the news to Enterprises after the hijacking and the
+missile attempt. Any such message, Tom feared, might be picked up by the
+enemy and bring on another attack. But the young inventor had telephoned
+his father immediately after calling Washington.</p>
+
+<p>Now Mr. Swift threw his arm affectionately around the lanky youth.
+"You look pretty well bushed, son. Why not hustle home and call it a
+day? That goes for the rest of you, too," he added to Bud, Chow, and the
+others. "You've just risked your lives and the strain is bound to
+tell."</p>
+
+<p>Tom urged his companions to comply. "But I'm sticking right here,"
+the young inventor told his father. "I&nbsp;want to be on hand the
+minute Exman contacts&nbsp;us."</p>
+
+<p>
+Bud insisted upon staying with his pal. The two boys ate a quiet supper
+in Tom's private
+<span class = "pagenum">141</span>
+<a name = "page141"> </a>
+laboratory and finally lay down on cots in the adjoining apartment. But
+first Tom posted a night operator to watch the electronic brain.</p>
+
+<p>"Wake me up the second that alarm bell goes off," he ordered.</p>
+
+<p>"Okay, skipper," the radioman promised.</p>
+
+<p>No message arrived to disturb the boys' rest. Tom felt a pang of
+worry as he dressed the next morning, and then relieved the man on duty
+at the decoder. Had the Brungarians somehow outwitted him? Surely Exman
+should have reported by this time!</p>
+
+<p>"Relax, pal," Bud urged. "Our space chum's hardly had time to learn
+any secrets yet. Besides, those Brungarian scientists are probably
+giving him the once-over with all sorts of electronic doodads. Why risk
+sending a message till he has something important to tell&nbsp;us?"</p>
+
+<p>"That's true," Tom admitted.</p>
+
+<p>Chow brought in breakfast. "You jest tie into these vittles, boss,
+an' stop frettin'," the cook said soothingly. "I&nbsp;reckon Ole Think
+Box won't let us down."</p>
+
+<p>Tom sniffed the appetizing aroma of flapjacks and sausages. "Guess
+you're right, Chow," he said with a chuckle.</p>
+
+<p>
+As the boys ate hungrily, Tom's thoughts turned back to the problem of
+how to equip Exman with senses. He talked the project over with Bud.
+Most of his ideas were too technical for Bud
+<span class = "pagenum">142</span>
+<a name = "page142"> </a>
+to follow, but he listened attentively. He knew the young inventor found
+it helpful to have a "sounding board" for his ideas.</p>
+
+<p>"Too bad I didn't have time to tackle the job before Exman was
+kidnaped," Tom mused. "Think how much more he could learn with 'eyes'
+and 'ears'!"</p>
+
+<p>"Stop crabbing," Bud joked. "Isn't an electronic spy with a brain
+like Einstein's good enough?"</p>
+
+<p>Mr. Swift arrived at the laboratory an hour or so later. He found Tom
+setting up an experiment with a glass sphere to which were affixed six
+powerful electromagnets. Two shiny electrodes, with cables attached to
+their outer ends, had also been molded into the glass. Bud was looking
+on, wide-eyed.</p>
+
+<p>Tom explained to his father that he had blown the sphere himself,
+following a formula adapted from the quartz glass used for view panels
+in his space and undersea craft.</p>
+
+<p>"What's it for, son?" Mr. Swift asked, after studying the setup
+curiously.</p>
+
+<p>"Don't laugh, Dad, but I'm trying to produce a brain of pure energy.
+A substitute for Exman, so we can go ahead with our sensing
+experiments."</p>
+
+<p>
+Mr. Swift reacted with keen interest and offered to help. "But remember,
+son," he cautioned, "at best you can only hope to produce an ersatz
+brain energy&mdash;which will be vastly different
+<span class = "pagenum">143</span>
+<a name = "page143"> </a>
+from the real thing. Don't forget, Tom, the mind of a human being or any
+thinking inhabitant of our universe is based on a divine soul. No
+scientist must ever delude himself into thinking he can copy the work of
+our Creator."</p>
+
+<p>"I know that, Dad," Tom said soberly. "Man's work will always be a
+crude groping, compared to the miracles of Nature. All I'm hoping to
+come up with here is a sort of stimulus-response unit that we can use
+for testing any sensing apparatus we devise."</p>
+
+<p>The two scientists plunged into work. First, a bank of delicate
+gauges was assembled to record precisely every electrical reaction that
+took place inside the sphere. Then Tom threw a switch, shooting a
+powerful bolt of current across the electrodes. The field strength of
+the electromagnets, controlled by rheostats, instantly shaped the charge
+into a glowing ball of fire!</p>
+
+<p>"Wow! A real hothead!" Bud wisecracked, trying to hide his
+excitement.</p>
+
+<p>Tom grinned as he twirled several knobs and checked the gauges. The
+slightest variation in field strength triggered an instant response from
+the ball of energy. Mr. Swift tried exposing it to radio and repelatron
+waves. Each time the gauges showed a sensitive reaction.</p>
+
+<p>"Looks as if we're in business, Dad!" Tom said jubilantly.</p>
+
+<p>
+Bud left soon afterward as the two Swifts
+<span class = "pagenum">144</span>
+<a name = "page144"> </a>
+buckled down to work on the problem of perfecting an apparatus to
+simulate the human senses. Each concentrated on a different line of
+approach.</p>
+
+<p>At noon they broke off briefly for a lunch wheeled in by Chow. Then
+silence settled again over the laboratory.</p>
+
+<p>Tom had rigged up a jointed, clawlike mechanical arrangement with
+sensitive diaphragms in its "finger tips." The diaphragms were connected
+to a transistorized circuit designed to modulate the field current to
+the electromagnets.</p>
+
+<p>Suddenly the young inventor looked up at his father with a glow of
+triumph.</p>
+
+<p>"Dad, I just got a reaction to my sense-of-touch experiment!"</p>
+
+
+
+
+<span class = "pagenum">145</span>
+<a name = "page145"> </a>
+<h5 class = "left chapter"><a name = "chap_17">CHAPTER XVII</a></h5>
+<h4>AN URGENT WARNING</h4>
+
+
+<p><span class = "firstword">Mr. Swift</span>
+looked on eagerly as Tom explained and demonstrated his touch apparatus.
+By moving a pantograph control, Tom was able to manipulate the claws
+like a hand with fingers. Whenever they touched any material, the brain
+gauges instantly registered an electrical reaction inside the
+sphere.</p>
+
+<p>The swing of a voltmeter needle showed how firmly the substance
+resisted the claw's touch, thus indicating its hardness or softness.</p>
+
+<p>"With a computer device, such as we planted in Exman," Tom went on,
+"the brain would also be able to assimilate the textural pattern of any
+substance."</p>
+
+<p>"Wonderful, son!" Mr. Swift exclaimed. "I&nbsp;hope I can do as well
+with this artificial sense of sight I'm working&nbsp;on."</p>
+
+<p>
+<span class = "pagenum">146</span>
+<a name = "page146"> </a>
+Another hour went by before Mr. Swift was ready to test his own
+arrangement.</p>
+
+<p>"You've probably heard of the experiments conducted with blind
+persons," he told Tom. "By stimulating the right part of their brain
+with a lead from a cathode-ray-tube device, an awareness of light and
+dark can be restored."</p>
+
+<p>Tom nodded.</p>
+
+<p>"Well, I'm using the same principle," Mr. Swift went on, "but with a
+sort of television camera scanning setup."</p>
+
+<p>He asked Tom to draw the drapes and shut off the room lights,
+throwing the laboratory into complete darkness, except for the weirdly
+glowing "brain" in the glass sphere. Then Mr. Swift shone a flashlight
+at the scanner. The brain responded by glowing more brightly itself!</p>
+
+<p>Next, after the drapes were opened again and the overhead fluorescent
+lights switched on, Mr. Swift painted a pattern of black-and-white
+stripes on a large piece of cardboard. He held this up to the
+scanner.</p>
+
+<p>Visible ripples of brightness and less-brightness passed through the
+glowing ball of energy inside the sphere. It was reproducing the striped
+pattern!</p>
+
+<p>"Dad, that's amazing!" Tom said with real admiration.</p>
+
+<p>
+Mr. Swift shook his head. "Pretty crude, I'm afraid. The brain energy by
+itself can't take the
+<span class = "pagenum">147</span>
+<a name = "page147"> </a>
+place of a picture tube in a TV receiver. What we need is an analog
+computer to sum up the scanning pattern picked up by the camera tube and
+then pass this information along in code form."</p>
+
+<p>Before Tom could comment, the alarm bell rang on the electronic
+brain. The Swifts dropped everything and rushed to the machine.</p>
+
+<p>"Wonder if it's Exman?" Tom exclaimed.</p>
+
+<p>The answer was quickly revealed as the keys began punching out the
+incoming message on tape. At the same time, a flow of strange
+mathematical symbols flashed, one after another, on the lighted
+oscilloscope screen mounted above the keyboard.</p>
+
+<p>Tom and his father read the tape as it unreeled.</p>
+
+<blockquote>
+SPACE BEINGS TO SWIFTS. REQUEST INFORMATION ON PROGRESS AND RESULTS OF
+ENERGY SENT TO YOUR PLANET.
+</blockquote>
+
+<p class = "space">
+After a quick consultation with his father, Tom beamed out the
+reply:</p>
+
+<blockquote>
+WE ARE PLEASED WITH RESULTS SO FAR. FURTHER EXPERIMENTS NOW GOING ON.
+REQUEST VISIT TO CONTINUE LONGER THAN TWENTY-ONE DAYS AS PLANNED.
+</blockquote>
+
+<p class = "space">
+Hopefully the Swifts stood by the machine. Would their space friends
+agree? As the minutes went by without a response coming through, father
+and son exchanged anxious glances.</p>
+
+<p>
+<span class = "pagenum">148</span>
+<a name = "page148"> </a>
+"They've <i>got</i> to let Exman stay, Dad!" Tom said.</p>
+
+<p>Mr. Swift nodded. "I'm afraid, though, the space beings have decided
+otherwise. They&mdash;"</p>
+
+<p>He was interrupted by the ringing of the alarm bell. "Message, Dad!"
+Tom said tersely.</p>
+
+<p>A moment later they were overjoyed to see three words appear on the
+tape:</p>
+
+<blockquote>
+VISIT EXTENSION GRANTED.
+</blockquote>
+
+<p class = "space">
+Relieved, the two scientists went back to work on their sensing
+experiments. Twenty minutes later the signal bell rang again on the
+electronic brain.</p>
+
+<p>"This time it <i>must</i> be Exman!" Tom cried.</p>
+
+<p>The unreeling tape quickly bore out his guess.</p>
+
+<blockquote>
+EXMAN TO SWIFTS. TWENTY-FOUR-HOUR EARTHQUAKE UNDER HIGH LOYALTY.
+</blockquote>
+
+<p class = "space">
+"What!" Tom stared at the tape, his brow creased in a puzzled frown.
+"That 'twenty-four-hour earthquake' bit must mean he's warning us that a
+quake will occur in twenty-four hours. But what about the rest
+of&nbsp;it?"</p>
+
+<p>"Hmm... 'Under high loyalty.'" Mr. Swift was as baffled as Tom. He
+studied the message for several minutes. It seemed highly unlikely that
+the electronic brain had made an error in decoding. Any new or
+untranslatable symbol caused a red light to flash on the machine.</p>
+
+<p>
+<span class = "pagenum">149</span>
+<a name = "page149"> </a>
+"I think the only thing we can do is signal Exman and ask for a
+clarification, Tom," Mr. Swift decided at last.</p>
+
+<p>Tom agreed. He beamed out a hasty code signal:</p>
+
+<blockquote>
+EXPLAIN MESSAGE.
+</blockquote>
+
+<p class = "space">
+Seconds later came Exman's reply. It was identical with the first
+message:</p>
+
+<blockquote>
+TWENTY-FOUR-HOUR EARTHQUAKE UNDER HIGH LOYALTY.
+</blockquote>
+
+<p>
+<span class = "picture">
+<img src = "images/pic149.jpg" width = "337" height = "349"
+alt = "(Tom Jr. and Tom Sr. read a message from Exman)"></span>
+
+<span class = "pagenum">150</span>
+<a name = "page150"> </a>
+Tom and Mr. Swift stared at each other anxiously.</p>
+
+<p>"Good night, Dad! This is horrible!" Tom exclaimed. "Exman sends us
+ample warning of a disaster and we're stymied!"</p>
+
+<p>"Hi! What's going on, you two?" asked a merry voice. "More heavy
+thinking?"</p>
+
+<p>Sandy Swift stood smiling in the doorway. The smile gave way to a
+look of concern as Tom explained the crisis.</p>
+
+<p>"How dreadful!" Sandy gasped. "We <i>must</i> figure out what it
+means!... Wait a minute!"</p>
+
+<p>Tom looked at her expectantly. "Got an idea,&nbsp;Sis?"</p>
+
+<p>"Well..." The pretty, blond teen-ager hesitated. "You don't suppose
+Exman might have been translating some foreign words with a meaning
+similar to 'high loyalty'? For instance, high loyalty could mean 'good
+faith.' I know that in Latin 'good faith' would be <i>bona
+fide</i>."</p>
+
+<p>"Sandy! You've guessed it!" Tom crossed the room in a single bound,
+gave his sister a quick hug, and whirled her around. "Exman must mean
+the Bona Fide Submarine Building Corporation! He didn't dare risk
+telling us the exact translation."</p>
+
+<p>
+"Of course!" Mr. Swift was equally jubilant. But his face was grave as
+he added, "The company's located on the West Coast close to the
+<span class = "pagenum">151</span>
+<a name = "page151"> </a>
+San Andreas fault. Tom, a quake in that area could be devastating!"</p>
+
+<p>"You're right, Dad," the young inventor replied. "I'll call Dr. Miles
+and Bernt Ahlgren at once!"</p>
+
+<p>The telephone conversation that followed was grim with tension. Both
+government men begged Tom to take personal charge of the
+quake-deflection measures. Dr. Miles pointed out that tremors along the
+fault might trigger off a chain of quakes amounting to a national
+disaster.</p>
+
+<p>After a hasty discussion, Tom agreed that he should station himself
+at the Colorado site, rather than at the West Coast Quakelizor
+installation. This would give him broader scope for damping out shock
+waves across the continent.</p>
+
+<p>"I'll fly out immediately!" the young inventor promised.</p>
+
+<p>Ahlgren, meanwhile, would flash orders to the Bona Fide Company and
+to civilian officials to have the entire area evacuated as soon as
+possible.</p>
+
+<p>Hasty preparations were made for Tom's departure. He telephoned the
+airfield to have a jet plane with lifters readied for take-off. He also
+had Bud paged over the plant intercom. The copilot came on the run. When
+he heard the news, he was eager to accompany his&nbsp;pal.</p>
+
+<p>"Listen, you two! I insist you have something to eat before you
+leave!" Sandy declared.</p>
+
+<p>
+<span class = "pagenum">152</span>
+<a name = "page152"> </a>
+Tom was impatient over any delay. When Sandy proceeded to call Chow, the
+old Texan solved the problem by volunteering to go along as cook.</p>
+
+<p>A short time later Chow came jouncing out to the airfield astride a
+motor scooter, hauling a cart loaded with supplies.</p>
+
+<p>"Good grief!" Tom said, unable to suppress a grin. "We'll be back
+tomorrow, unless something goes wrong!"</p>
+
+<p>"Bring food&mdash;that's my motto," Chow retorted, "like any good
+cook."</p>
+
+<p>Minutes later, after a parting handshake from his father and a
+worried kiss from Sandy, Tom sent the sleek jet racing down the runway
+for take-off. Soon they were air-borne and heading westward. Chow served
+a tasty meal en route.</p>
+
+<p>It was still daylight when the jet landed vertically in the Colorado
+canyon. The government crew manning the installation, and the Swift
+technician who had relieved Art Wiltessa as trouble shooter on the
+setup, greeted them eagerly.</p>
+
+<p>"Looks as if we're in for a real test, Tom," said Mike Burrows, the
+engineer in charge.</p>
+
+<p>"Let's hope we pass!" said Tom, holding up crossed fingers.</p>
+
+<p>
+He checked every detail of the Quakelizor, power plant, and the
+communications gear. He opened an inspection panel in each of the
+dual-control
+<span class = "pagenum">153</span>
+<a name = "page153"> </a>
+spheres and tuned the kinetic-hydraulic units so as to step up the
+working pressure of the four powerful drivers.</p>
+
+<p>"Well, all we can do now is wait," the young inventor muttered,
+wiping his arm across his forehead.</p>
+
+<p>Tom passed the night in a fitful sleep, half expecting to be wakened
+at any moment by the stand-by crew on watch. No alarm occurred,
+however.</p>
+
+<p>Dawn broke, and Chow delighted all hands with a hearty breakfast of
+bacon, eggs, and corn fritters. More hours of waiting
+dragged&nbsp;by.</p>
+
+<p>"What time do you think the attack will occur?" Bud asked.</p>
+
+<p>Tom shrugged. "The 'twenty-four-hour' business may have been
+approximate. But I'd say from two o'clock on is the danger period."</p>
+
+<p>The young inventor checked frequently with Washington and the other
+crews stationed around the country. Suddenly the radiotelephone operator
+gave a yell.</p>
+
+<p>"Your father is on the line, skipper!"</p>
+
+<p>The scientist was calling from the receiver-computer headquarters at
+Enterprises. "Exman has reported a quake pulse will be sent in seven
+minutes&mdash;at 21.36 G.M.T."</p>
+
+<p>"I'm ready, Dad," Tom said, then asked for various technical details
+before hanging&nbsp;up.</p>
+
+<p>
+He passed the word to the crew and glanced
+<span class = "pagenum">154</span>
+<a name = "page154"> </a>
+at his watch. A hasty, last-moment inspection was carried out, every man
+checking certain details of the setup.</p>
+
+<p>Soon the pulsemakers began ticking inside the dual-control spheres as
+they picked up the frequency signal by radio. Tom studied the gauge
+dials.</p>
+
+<p>Tension mounted rapidly among the waiting group. The same thought was
+throbbing through every mind:</p>
+
+<p><i>Was the nation on the brink of a terrible disaster? Or would Tom
+Swift's invention safeguard the threatened area?</i></p>
+
+<p>As the deadline approached, Tom pushed a button. The mighty hydraulic
+drivers throbbed into action, sending out their pulse waves across the
+continent!</p>
+
+
+
+
+<span class = "pagenum">155</span>
+<a name = "page155"> </a>
+<h5 class = "left chapter"><a name = "chap_18">CHAPTER XVIII</a></h5>
+<h4>EARTHQUAKE ISLAND</h4>
+
+
+<p><span class = "firstword">Now</span>
+came the hardest part of all for Tom and his companions&mdash;waiting to
+learn if the shock deflectors had succeeded in blotting out the enemy
+quake wave.</p>
+
+<p>No one spoke. As the silence deepened inside the cave, the suspense
+became almost unbearable. Minutes passed.</p>
+
+<p>"When will we know, skipper?" a crewman ventured at last.</p>
+
+<p>"Soon, I hope," Tom replied tersely.</p>
+
+<p>But the waiting seemed endless. Bud's eyes met Tom's. The flier
+grinned and held up crossed fingers, just as Tom had done to Mike
+Burrows the previous evening. Tom managed a feeble grin in response.</p>
+
+<p>Suddenly the telephone shrilled, shattering the silence of the cave.
+Tom snatched it from the radioman's hands.</p>
+
+<p>
+<span class = "pagenum">156</span>
+<a name = "page156"> </a>
+"Tom Swift here!... Yes?... Thank heavens! I guess we can all be
+grateful, Dr. Miles!"</p>
+
+<p>"Providence protected us, I'm sure, Tom," the seismologist replied at
+the other end of the line. "But in this instance it worked through Tom
+Swift's Quakelizors! The Bona Fide plant and the surrounding area never
+even felt the tremor&mdash;your quake deflectors worked perfectly!"</p>
+
+<p>There was no need to tell the others. Tom's words on the telephone
+and the grin on his face told the story. A spontaneous volley of cheers
+echoed through the cave as he hung up. Then the crew crowded around to
+slap Tom on the back and shake his hand.</p>
+
+<p>"I hope the whole country learns what you've done, Tom," Mike Burrows
+said. "If it doesn't, I'll be the first to spread the word as soon as
+the secrecy lid's taken off!"</p>
+
+<p>"Shucks, I knew all along Tom's contraption would do the trick!" Chow
+boasted, glowing with pride over his young boss's achievement.</p>
+
+<p>Tom could only smile happily. "Guess we can go home now," he said to
+Bud and Chow.</p>
+
+<p>They were preparing to leave when another flash from Washington came
+over the radiotelephone. A ship's captain, five hundred miles out on the
+Pacific, had just reported sighting a great waterspout, accompanied by
+considerable wave turbulence.</p>
+
+<p>
+"It could have been the spot where the enemy
+<span class = "pagenum">157</span>
+<a name = "page157"> </a>
+shock waves and our deflector waves met and damped out," Tom
+commented.</p>
+
+<p>"Dr. Miles thinks so, too," the caller said.</p>
+
+<p>Soon the sleek Swift jet was arrowing back across the continent. En
+route, Tom radioed word of his latest triumph to Mr. Swift. As always,
+he used the automatic scramblers to make sure any enemy eavesdroppers
+would pick up only static.</p>
+
+<p>"Great work, son!" Mr. Swift congratulated Tom. "I&nbsp;was confident
+you could handle the situation with your Quakelizors."</p>
+
+<p>"Thanks, Dad. See you soon."</p>
+
+<p>When the jet finally landed at Enterprises and came to a halt on the
+runway, the control tower operator spoke over the radio.</p>
+
+<p>"Harlan Ames would like to see Tom Jr. at the security building. He
+left word just a few minutes&nbsp;ago."</p>
+
+<p>"Roger!" Tom replied.</p>
+
+<p>Chow frugally carted off his leftover supplies. Tom and Bud,
+meanwhile, went by jeep across the plant grounds to security
+headquarters.</p>
+
+<p>Ames greeted the two boys enthusiastically. "Nice going on that
+earthquake situation, Tom!" he said. "And now I have some more good
+news. We've just nabbed the man who imitated your father's voice over
+the phone the other night."</p>
+
+<p>"What!" Both boys were excited, and Tom added eagerly, "Who
+is&nbsp;he?"</p>
+
+<p>"An actor at the Shopton summer playhouse."</p>
+
+<p>
+<span class = "pagenum">158</span>
+<a name = "page158"> </a>
+"How did you find out?" Tom asked.</p>
+
+<p>"I had a hunch," Ames went on. "If the impersonator wasn't a plant
+employee at Enterprises, then he had to be a person with a trained
+voice. That gave me the idea of checking on all actors and station
+announcers here in the vicinity. It paid off right away. The guy's name
+is Brent Nolan."</p>
+
+<p>"Have you questioned him yet?" Tom asked.</p>
+
+<p>"I'm about to," Ames replied. "Radnor just brought him&nbsp;in."</p>
+
+<p>The security chief led the way into an adjoining office. A slender,
+good-looking young man with blond wavy hair was seated on a chair with
+Phil Radnor on one side of him and a Shopton police officer on the
+other. The actor was visibly nervous and perspiring.</p>
+
+<p>"This is Tom Swift Jr.," Ames told him. "Brent Nolan."</p>
+
+<p>Nolan nodded. "Yes, I've seen your picture in the papers many times."
+The actor tried to force a smile but his face muscles twitched.
+"I&mdash;I seem to have pulled a pretty dumb stunt by faking that phone
+call from your father. I'm sorry."</p>
+
+<p>"What was the reason?" Tom asked.</p>
+
+<p>Nolan fingered his wavy blond hair uneasily and swallowed hard. "A
+man named Professor Runkle paid me to do&nbsp;it."</p>
+
+<p>"Professor Runkle?" Tom frowned. The name seemed vaguely
+familiar.</p>
+
+<p>
+<span class = "pagenum">159</span>
+<a name = "page159"> </a>
+"He spoke with a foreign accent. Said he was doing research at Grandyke
+University," Nolan explained. "He told me you might be expecting a rare
+biological specimen from the East Indies. He said both of you were eager
+to get hold of it for research purposes, but he was afraid that you had
+outbid him. However, if he asked you straight out, you would guard the
+secret very jealously. So he hired me to find&nbsp;out."</p>
+
+<p>"Didn't it occur to you he might be an espionage agent?" Ames asked
+coldly.</p>
+
+<p>Nolan seemed shocked. "Believe me, I had no such idea!" he averred.
+"Runkle seemed pleasant. He said it all was merely a short cut to save
+him from wasting any more time on the project. If Tom Swift had the
+specimen, he would quit. I&mdash;I guess I'm a little bit vain about the
+way I can mimic voices, and this gave me a chance to show off. Besides,
+I saw no harm in doing&nbsp;it."</p>
+
+<p>"No harm?" Bud snorted. "You had Swift Enterprises in a real lather
+when we found&nbsp;out."</p>
+
+<p>Nolan spread his hands in a helpless gesture. "I'm truly sorry," he
+repeated.</p>
+
+<p>"How were you able to find out how my father's voice sounded?" Tom
+asked.</p>
+
+<p>"I listened to a recording of a speech he made at the Fourth of July
+rally here in Shopton," Nolan explained. "I&nbsp;borrowed the tape from
+a local radio station. Guess that's how your security men got
+onto&nbsp;me."</p>
+
+<p>
+<span class = "pagenum">160</span>
+<a name = "page160"> </a>
+"What did this fellow Runkle look like?" Ames asked.</p>
+
+<p>Nolan thought for a moment. "Oh, he was past middle age, I should
+say. Grizzled hair, thick-lensed glasses. And he was quite
+heavy-set."</p>
+
+<p>"Hmm. Then it certainly wasn't Narko," Ames murmured to&nbsp;Tom.</p>
+
+<p>The young inventor nodded. "I believe I know him. The name just came
+back to me. I met a Professor Runkle in New York about a month ago, at a
+scientific convention. He was a member of the visiting Brungarian
+delegation."</p>
+
+<p>"We'll check on him," Ames promised. He turned back sternly to the
+young actor. "All right, Nolan, I guess you can go. But I warn
+you&mdash;no more impersonations."</p>
+
+<p>After more flustered apologies, the actor hurried out, obviously
+relieved.</p>
+
+<p>"What a dumb egg he is!" Bud muttered.</p>
+
+<p>"In a way he may have helped us," Tom pointed out. "If the Brungarian
+rebels hadn't found out about Exman, we couldn't have lured them into
+that kidnap plot. It's already helped us to save the Bona Fide Submarine
+Building Corporation."</p>
+
+<p>
+Monday morning Ames reported that Professor Runkle had left the country.
+Tom was not sorry, since an arrest and public trial might have led to
+dangerous publicity about Exman. The probings of a sharp-tongued defense
+attorney might even
+<span class = "pagenum">161</span>
+<a name = "page161"> </a>
+have tipped off the Brungarian to Tom's real purpose in letting the
+space brain be hijacked.</p>
+
+<p>Meanwhile, a telephone call from Washington announced that State
+Department men were flying to Enterprises to confer with the Swifts
+about taking official action against the Brungarian attacks. The group
+arrived by jet after lunch. Thurston of the CIA was also present.</p>
+
+<p>"The problem is this," a State Department official said as they
+discussed the matter in the Swifts' office. "Should we bring charges
+against Brungaria before the United Nations? Or should we rely on other
+means, short of war, to block the Brungarian rebel coup?"</p>
+
+<p>Mr. Swift frowned thoughtfully. "It might be difficult to prove they
+were responsible for the earthquake attacks," he pointed&nbsp;out.</p>
+
+<p>"I'd say it's impossible," Tom said, "unless we give away the secret
+about our electronic spy." He paused, then added, "Sir, if the State
+Department will agree, I'd like more time before you make any official
+moves."</p>
+
+<p>The Quakelizors, Tom argued, seemed to offer protection against any
+future quake waves, unless the power of the shocks was greatly stepped
+up. Meantime, working through Exman, Tom might be able to provide the
+Brungarian loyalists with valuable information. "I'm hoping it will help
+them overthrow the rebel clique and their brutal allied military
+bosses."</p>
+
+<p>
+<span class = "pagenum">162</span>
+<a name = "page162"> </a>
+The State Department men conferred, then Thurston spoke up quietly, "In
+our opinion, it's worth a gamble."</p>
+
+<p>After the group had left, the Swifts resumed their sensing
+experiments in Tom's private laboratory. They were hard at work when the
+signal bell suddenly rang on the electronic brain.</p>
+
+<p>The two scientists rushed to read the incoming message. It said:</p>
+
+<blockquote>
+EXMAN TO SWIFTS. ONE ENEMY EARTHQUAKE PRODUCER IS AT...
+</blockquote>
+
+<p class = "space">
+Here the message gave precise latitude and longitude figures. It went
+on:</p>
+
+<blockquote>
+RUIN OF SWIFT PLACE IN ONE WEEK.
+</blockquote>
+
+<p class = "space">
+Tom and his father gasped in dismay. "I thought the New York-New England
+Quakelizor was going to protect us!" the young inventor exclaimed. "Our
+enemies must have located another earth fault with Enterprises right in
+its path!"</p>
+
+<p>Hastily opening an atlas, Tom fingered the location of the proposed
+source of attack. It was Balala Island off the coast of Peru.</p>
+
+<p>"Dad, that settles it!" Tom declared grimly. "It's clear now that
+those Brungarian rebels want to destroy us and use Exman in some way to
+conquer the earth!"</p>
+
+<p>"I don't doubt that you're right, son," Mr. Swift said grimly. "We
+must act fast! But&nbsp;how?"</p>
+
+<p>
+<span class = "pagenum">163</span>
+<a name = "page163"> </a>
+Again, the signal bell interrupted. This time, Exman gave a number of
+military details, evidently picked up from orders issuing from
+Brungarian rebel headquarters. They concerned incoming troop movements
+from the north and operational plans for crushing out the last pockets
+of resistance by loyal government forces.</p>
+
+<p>Tom recorded them with TV tape, then snatched up the telephone and
+called the Central Intelligence Agency in Washington. He relayed the
+information from Exman and asked if American agents could transmit it to
+the loyalists.</p>
+
+<p>"Don't worry. We'll see that it reaches them," the CIA chief assured
+Tom. "Many thanks. This <i>could</i> have important consequences."</p>
+
+<p>As Tom hung up he decided on a bold move. "Dad, I'm going to lead a
+raid on Balala!"</p>
+
+<p>"A raid!" The elder scientist was electrified.</p>
+
+<p>"According to the atlas, the island is barren and deserted," Tom
+said, "so no friendly power will object if we land there. If it's being
+used as an enemy base for quake attacks against our country, we have
+every right to investigate. I might be able to learn the secret of the
+setup&mdash;perhaps even put the equipment out of commission."</p>
+
+<p>"Nevertheless, a raid by a United States force could lead to trouble
+if the base there puts up any resistance," Mr. Swift said gravely.</p>
+
+<p>"That's why I intend to handle it myself," Tom declared. "I'll take
+all responsibility."</p>
+
+<p>
+<span class = "pagenum">164</span>
+<a name = "page164"> </a>
+Tom Sr.'s eyes flashed as he recalled some of his own hair-raising
+exploits in younger days. "All right, son," he said, putting a hand on
+Tom's shoulder. "I&nbsp;know I can trust your judgment. Good luck!"</p>
+
+<p>Again Tom issued a call for volunteers. Bud, Hank Sterling, Arv
+Hanson, and Chow were all eager to take part. Within an hour they were
+taking off for Fearing. At the rocket base, they embarked in the <i>Sea
+Hound</i>, Tom's favorite model of his diving seacopter. A powerful
+central rotor with reversible-pitch blades, spun by atomic turbines,
+enabled the craft to rise through the air or descend into the deepest
+abysses of the ocean. Propulsion jets gave it high speed in either
+medium.</p>
+
+<p>Loaded with equipment, the <i>Sea Hound</i> streaked southward
+through the skies&mdash;first to Florida, then across the Gulf and
+Central America into the Pacific. Here Tom eased down to the surface of
+the water and submerged.</p>
+
+<p>It was near midnight when the <i>Sea Hound</i> rose from the depths
+just off Balala. The lonely rocky island lay outlined like a huddled
+black mass against the star-flecked southern sky. No glimmer of light
+showed anywhere ashore.</p>
+
+<p>"Maybe no one's here," Bud murmured.</p>
+
+<p>"Don't bank on that," Tom said. "They wouldn't be apt to advertise
+their presence to passing ships or planes."</p>
+
+<p>
+<span class = "pagenum">165</span>
+<a name = "page165"> </a>
+Tom nosed inshore as closely as he dared from sonar soundings, finally
+easing the <i>Sea Hound</i> up to a rocky reef that fingered out from
+the beach. Then he, Bud, Hank, and Arv clambered out, armed with
+wrecking tools and powerful flashlights.</p>
+
+<p>Chow, in spite of his muttered grumblings, was ordered to stay aboard
+and guard the ship with the other two crewmen who had come along.</p>
+
+<p>Tom led his party cautiously ashore from the reef. They probed the
+darkness of the beach. Their footfalls sounded eerily in the night
+silence, broken only by the soughing of the sea wind and splash of
+breakers.</p>
+
+<p>"Good place for spooks!" Bud whispered jokingly.</p>
+
+<p>A steep draw led upward among the rocky slopes. A hundred feet on,
+Tom's group found the black yawning mouth of a cave. The yellow beams of
+their flashlights revealed a tunnel leading downward inside. Tom checked
+with a pocket detector. Its gauge needle showed no field force caused by
+electrical equipment in operation.</p>
+
+<p>"Okay, let's go in!" Tom murmured.</p>
+
+<p>Cautiously they moved into the tunnel. Then suddenly ahead of them a
+powerful dazzling light burst on, nearly blinding the searchers!</p>
+
+
+
+
+<span class = "pagenum">166</span>
+<a name = "page166"> </a>
+<h5 class = "left chapter"><a name = "chap_19">CHAPTER XIX</a></h5>
+<h4>A FIENDISH MACHINE</h4>
+
+
+<p><span class = "firstword">A chill</span>
+of fear gripped Tom and his companions as they blinked helplessly in the
+glare! Had the enemy detected them the first moment they had set foot on
+Balala Island? Had they walked blindly into a trap?</p>
+
+<p>Gradually Tom's eyes and those of his friends adjusted to the
+dazzling radiance. A door, blocking the tunnel just ahead, had slid open
+and the light was pouring out of a room beyond.</p>
+
+<p>"What happened?" Arv gasped.</p>
+
+<p>Tom pointed downward to a pedallike plunger inserted in the tunnel
+floor. "This must be a switch," he explained. "When I stepped on it
+accidentally, it must have opened the door and flashed on the
+lights."</p>
+
+<p>Bud whistled. "Wow! Let's be thankful it wasn't a booby trap!"</p>
+
+<p>"Maybe it is," murmured Hank grimly.</p>
+
+<p>
+<span class = "pagenum">167</span>
+<a name = "page167"> </a>
+Steeling their nerves, and with every sense alert, the searchers
+advanced into the secret room.</p>
+
+<p>Tom suddenly gave a cry of amazement. "The earthquake machine!"</p>
+
+<p>A huge hydraulic device, with massive steel bed and supporting
+pillars, looking somewhat like the enormous body presses found in
+automobile plants, stood embedded in a recess in one wall.</p>
+
+<p>Tom rushed to the machine and examined it in fascination. A powerful
+diesel generator stood nearby with banks of complicated electrical
+equipment, amid a spider-web tangle of wiring. Tom assumed this gear was
+for timing and synchronizing the shock waves. Evidently the whole setup
+was operated from a single control panel in the wall, studded with knobs
+and dials.</p>
+
+<p>"What a job of design!" Tom exclaimed in awe. His eyes roved over
+every detail of the equipment while he poked here and there with his
+hands. He was getting the "feel" of the setup almost as much by touch
+and handling as by his superb technical intuition. "Boy, I hate to
+admire anything those Brungarian rebel scientists do, but this is really
+masterful!"</p>
+
+<p>"Yes? Well, don't go ga-ga over it," said Bud. "Let's do what we came
+to do and scram out of here. This place makes me jumpy!"</p>
+
+<p>
+Tom appeared oblivious. "It seems like vandalism to wreck such an
+engineering achievement! Also, and this may sound strange to you," he
+went
+<span class = "pagenum">168</span>
+<a name = "page168"> </a>
+on in a doubtful tone, "are we <i>really</i> justified in taking the law
+into our own hands?"</p>
+
+<p>"They're trying to wreck <i>our</i> setup, aren't they?" Bud
+retorted. "Think of the destruction they've caused already! Do you want
+to stand by and see Enterprises destroyed&nbsp;too?"</p>
+
+<p>"Bud's right," Hank Sterling spoke up quietly. "Take a look at
+this."</p>
+
+<p>He beckoned them over to another corner of the cave and pointed to a
+series of notations, crudely scrawled in white chalk on the cave wall.
+Half hidden behind a clump of rock, they would have escaped casual
+notice.</p>
+
+<p>Tom read them and gave an angry gasp. A list of places and dates,
+already checked off, showed the quakes that had occurred so far. The
+last notation, not yet checked, said: SWIFT ENTERPRISES and was dated
+five days ahead.</p>
+
+<p>"Okay, that's all the convincing I need!" Tom said grimly.</p>
+
+<p>He issued quick orders. Hank and Arv were to rush back to the <i>Sea
+Hound</i>, get an underwater pump from the gear carried aboard, and
+install it just off the beach. From there, they were to run a pipe line
+up into the cave, using special plastic tubing which hooked together in
+a jiffy.</p>
+
+<p>"Cover the piping with sand and gravel, so it won't be noticed," Tom
+added. "In the meantime, Bud and I will go to work on this setup
+here."</p>
+
+<p>"Aye-aye, skipper!" Hank and Arv responded.</p>
+
+<p>
+<span class = "pagenum">169</span>
+<a name = "page169"> </a>
+As they hurried out through the tunnel, Tom and Bud set to work with the
+tools they had brought along. The diesel was partly dismantled, sand
+poured into its fuel feed, and the generator windings ripped out. The
+boys then tore off and tangled all wiring leads to the electrical
+equipment, took apart much of the equipment itself, and smashed the
+control panel.</p>
+
+<p>"Boy, if those Brungarian creeps get this setup working again,
+they're <i>really</i> geniuses!" Bud said as he and Tom paused a
+second.</p>
+
+<p>"This is only the beginning, pal!" Tom said. "Let's tackle the
+machine!"</p>
+
+<p>The huge earthquake device was a far more difficult proposition to
+disable. Its heavy structural parts had to be disassembled or pried
+apart, one by one. Both boys were streaked with sweat as they
+finished.</p>
+
+<p>By this time, Hank and Arv had the piping installed halfway into the
+tunnel. Spurred on as if by a sixth sense of danger, Tom told them to go
+back to the beach and get the pump working while he and Bud connected
+the few remaining pipe lengths into the machine room.</p>
+
+<p>Minutes later, their job done, Tom and Bud rushed out to the mouth of
+the cave and waved their flashlights. Soon the water could be heard
+boiling through the pipeline. It gushed out with a roar, flooding the
+machine room.</p>
+
+<p>"Let's go!" Tom cried, yanking Bud's arm.</p>
+
+<p>
+<span class = "pagenum">170</span>
+<a name = "page170"> </a>
+As they reached the beach and joined Hank and Arv, Tom's keen ears
+picked up the drone of a plane somewhere in the darkness.</p>
+
+<p>He gave a yell of alarm and pointed skyward. A ghostlike jet came
+zooming into view, boring straight toward them. All four broke into a
+mad dash for the seacopter.</p>
+
+<p>They were halfway out on the reef when the plane leveled out of its
+dive with an earsplitting whine.</p>
+
+<p>"Hide!" Tom shouted, fearing a bomb might be dropped.</p>
+
+<p class = "illustration">
+<img src = "images/pic170_171.jpg" width = "566" height = "276"
+alt = "(Tom and friends are attacked by a ray gun from an airplane)"></p>
+
+<p>
+<span class = "pagenum">171</span>
+<a name = "page171"> </a>
+All leaped for cover among the rocks. At the same instant, a fiery beam
+like a bolt of lightning shot from the plane. It seared the spot on the
+reef they had just vacated!</p>
+
+<p>"A ray gun!" Bud gasped.</p>
+
+<p>The plane's speed had already carried it far past the island. Before
+it could maneuver around for another pass, Tom and his companions were
+on their feet, racing for the safety of the <i>Sea Hound</i>.</p>
+
+<p>They were aboard and clamping shut the hatch lid as the jet made its
+second pass. This time its fiery ray glanced harmlessly off the
+seacopter's Tomasite sheathing. Seconds later, the <i>Sea Hound</i> had
+darted off beyond reach into the ocean waters.</p>
+
+<p>
+<span class = "pagenum">172</span>
+<a name = "page172"> </a>
+"Whew! We really broke all speed records that time!" Arv panted.</p>
+
+<p>The others looked at him with wan but triumphant grins. Then they
+began to speculate on what the beamlike bolt was, who was in the plane,
+and if their enemy knew who Tom's group were.</p>
+
+<p>Dawn was streaking the sky when the seacopter arrived at Fearing
+Island. The adventurers flew back to Enterprises at once. Tom and Bud
+snatched a few hours' sleep in the apartment adjoining Tom's
+laboratory.</p>
+
+<p>Later in the morning the whole group gathered in Tom's laboratory to
+recount the raid to Mr. Swift and Harlan Ames. A bell signal from the
+electronic brain brought them rushing to the decoder. Grim news awaited
+them. The message said:</p>
+
+<blockquote>
+EXMAN TO SWIFTS. YOUR ENEMIES ARE NOW SURE I AM SPY. THEY PLAN TO
+DESTROY ME.
+</blockquote>
+
+<p class = "space">
+"No! It mustn't happen!" Tom cried in dismay. "Dad, I'll rescue him
+myself!"</p>
+
+<p>His words were greeted with shocked protests from the others.</p>
+
+<p>"Don't be crazy!" Bud said. "You wouldn't have a chance!"</p>
+
+<p>"It would be suicide!" Arv Hanson declared.</p>
+
+<p>
+Chow grabbed his young boss by the arm. "Brand my cayenne pepper, before
+I'd let you
+<span class = "pagenum">173</span>
+<a name = "page173"> </a>
+make a blame fool move like that, I'd rope an' hawg-tie you myself!"</p>
+
+<p>Ames interjected the most convincing argument. "I&nbsp;know how you
+feel, Tom," he said sympathetically, "but I'm positive the United States
+government would never permit such a risky undertaking."</p>
+
+<p>Tom was beside himself with anxiety. Not only had he worked and
+struggled to make the space brain's visit a scientific success, but also
+it was he who had thought of the scheme to use Exman as a spy. In Tom's
+eyes, if the Brungarian rebels were to destroy the brain's body, it
+would amount to murder! The young inventor knew that the destruction of
+the "body" would not destroy the energy, but that it would be "lost" as
+far as the earth was concerned.</p>
+
+<p>Who knew, Tom asked himself, what priceless secrets the "brain" might
+ultimately yield to earth's scientific researchers? If the Brungarians
+were to succeed, this might deter the Swifts' space friends from ever
+attempting another visit to our planet!</p>
+
+<p>In despair, Tom turned to his father. "You know how much is at stake,
+Dad!" he pleaded. "Isn't there something we can&nbsp;do?"</p>
+
+<p>Mr. Swift had been silent, thoughtfully drumming his pencil on the
+workbench. He looked&nbsp;up.</p>
+
+<p>
+"Tom, I can think of only one thing," he said. "Perhaps our friends on
+Planet X can help us.
+<span class = "pagenum">174</span>
+<a name = "page174"> </a>
+They said they would have no control over the energy until it was ready
+to return home. But maybe we can get them to help us transfer the energy
+back here&mdash;not by any means of earth transportation, but by some
+extraterrestrial means known to their scientists."</p>
+
+<p>Tom's eyes kindled with hope. "Dad, that's a terrific idea!" he
+exclaimed. "Let's try!"</p>
+
+<p>A message was quickly beamed out into space. Minutes went by. Then
+the machine signaled a reply. It said:</p>
+
+<blockquote>
+WE WILL ATTEMPT RESCUE IF YOU WILL ARC A POWERFUL RADIO BEAM FROM POINT
+OF ORIGINAL EARTH LANDING TO POINT WHERE ENERGY IS NOW.
+</blockquote>
+
+<p class = "space">
+Moments later, a further message followed, giving technical instructions
+on how to project the beam. It ended:</p>
+
+<blockquote>
+NOTIFY US WHEN SETUP IS READY.
+</blockquote>
+
+<p class = "space">
+"Yahoo!" Chow whooped. "Brand my space guns, I reckon we'll get Ole
+Think Box home safe after all!"</p>
+
+<p>"He's not home yet, Chow," Tom cautioned, grinning but still tense
+with worry. "Glad you said that, though. It reminds me that the first
+job on our hands is to build a new think box for Exman!"</p>
+
+<p>
+With hope alive, Tom turned icy calm and
+<span class = "pagenum">175</span>
+<a name = "page175"> </a>
+buckled down to the work at hand. Before beginning construction of a new
+space robot, he contacted Exman via the electronic brain and asked him
+for his exact location in Brungaria. The answer came in precise latitude
+and longitude.</p>
+
+<p>Next, Tom radioed instructions for the rescue plan. As soon as Exman
+was notified that the invisible force from Planet X was ready to
+transport his energy, he was to unlatch point five of his star head. He
+would then be free to attach his energy to the rescue beam and be arced
+back to the hillside spot near Enterprises, where Tom would have a new
+robot body waiting.</p>
+
+<p>Exman replied tersely:</p>
+
+<blockquote>
+MESSAGE UNDERSTOOD. WILL COMPLY.
+</blockquote>
+
+<p class = "space">
+Tom snapped out orders. "Hank! Arv! Bud! And, Dad, we can sure use your
+help too! Every hour may be precious! We must construct a replica of
+Exman's robot container as fast as possible!"</p>
+
+<p>Every resource of Swift Enterprises was convulsed into action. But
+for all their scientific miracles, the staff could not perform magic.
+The complicated robot device required hours of highly skilled
+construction.</p>
+
+<p>
+Darkness had fallen by the time the energy container was ready.
+Meanwhile, a powerful transmitter and directional antenna had been set
+up at the hillside spot. Extensive reports on the condition
+<span class = "pagenum">176</span>
+<a name = "page176"> </a>
+of the ionosphere poured into headquarters.</p>
+
+<p>The Swifts and their small group of trusted associates trucked the
+new robot and the electronic brain out to the site. Tom then signaled
+his space friends that he was ready. They responded with the exact time
+for the rescue attempt. Tom transmitted the information to Exman, who
+replied:</p>
+
+<blockquote>
+DANGER NEAR. BRUNGARIAN SCIENTISTS READY TO DESTROY ME.
+</blockquote>
+
+<p class = "space">
+"Great bellowin' buffaloes!" Chow gulped. "Please make it quick, Tom! We
+got to save that space critter!"</p>
+
+<p>Tom glanced at his illuminated watch dial. The countdown ticked by.
+Suddenly his hand closed a switch, transmitting the rescue beam. More
+moments passed as the Swifts and the watchers strained their eyes toward
+the night&nbsp;sky.</p>
+
+<p>"Here it comes!" Bud yelled suddenly.</p>
+
+<p>A fiery bluish-white light had suddenly flamed into view. It grew
+steadily larger. Tom poised the container and opened one point of the
+star head.</p>
+
+<p>Now the blue fireball was arcing down over the hillside, trailing its
+orange-red comet tail. It hissed into the container and Tom snapped shut
+the star head.</p>
+
+<p>The next moment, the young inventor wavered and slumped
+unconscious!</p>
+
+
+
+
+<span class = "pagenum">177</span>
+<a name = "page177"> </a>
+<h5 class = "left chapter"><a name = "chap_20">CHAPTER XX</a></h5>
+<h4>THE ROBOT SPY'S STORY</h4>
+
+
+<p><span class = "firstword">"Tom!"</span>
+his father cried. Anxiously the others crowded around the lanky young
+inventor, who had fallen beside the new robot.</p>
+
+<p>"Stand back! Give him air!" Bud urged. "How is he, Mr. Swift?"</p>
+
+<p>The elder scientist was feeling Tom's wrist. "His pulse is beating,
+but it's a bit weak. He must have received a terrific shock from all
+that energy!... Tom!... Tom, son, can you hear&nbsp;me?"</p>
+
+<p>The young inventor moaned and stirred faintly but his eyes did not
+open. His cheeks and lips seemed colorless in the glow of Mr. Swift's
+flashlight. Chow was terrified, hovering about helplessly.</p>
+
+<p>"I'll call Doc Simpson to bring a pulmotor!" Hank exclaimed.</p>
+
+<p>"Yes, do, Hank!" Mr. Swift pleaded. "Quick!"</p>
+
+
+<p>
+<span class = "pagenum">178</span>
+<a name = "page178"> </a>
+An ambulance arrived a few minutes later. Doc Simpson and an attendant
+leaped out, and the resuscitation equipment&mdash;specially designed by
+the Swifts for their plant infirmary&mdash;was hastily unloaded.</p>
+
+<p>Anxious moments followed, but finally Tom began to respond to the
+treatment. Soon his eyes were open and he regained full consciousness.
+As Doc held a paper cup of water for him to sip, Tom smiled wanly.</p>
+
+<p>"Okay." he murmured, "I'm all right now. Sorry if I scared you, Dad."
+He started to get&nbsp;up.</p>
+
+<p>"It's a hospital bed for you, skipper. And no arguments!" Doc Simpson
+said sternly. "What happened here?"</p>
+
+<p>"I believe," Mr. Swift answered, "that our space friends, in finding
+a way to move the energy back to us, had less close control over it on
+earth than when they sent it from space."</p>
+
+<p>By midmorning the next day, Tom had awakened refreshed from a good
+night's sleep and felt normal again. Over Doc Simpson's protests, he
+insisted upon dressing and hurrying over to his laboratory.</p>
+
+<p>Here he found his father working intently amid a jumble of mechanical
+parts, tools, and electronic equipment. Nearby stood Exman with a panel
+open in his upper body, exposing the controls and output equipment.</p>
+
+<p>
+<span class = "pagenum">179</span>
+<a name = "page179"> </a>
+"Hi, Dad!" Tom exclaimed as he strode into the laboratory. "What's doing
+with Ole Think&nbsp;Box?"</p>
+
+<p>Mr. Swift looked up with a smile of relief. "'Morning, son! All well
+again? That's wonderful! I'm just giving Exman an artificial speech
+mechanism. He's already briefed us via the electronic brain on the
+situation in Brungaria. But I thought it would be even better if he
+could tell us in person."</p>
+
+<p>Details on the earthquake plot, Mr. Swift went on, had already been
+reported to the Defense Department. Tom's raid on Balala Island had
+effectively blocked further quake attempts.</p>
+
+<p>The Brungarian rebels had become enraged by their failure to extract
+Exman's secrets, and had decided to disintegrate the robot creature and
+its brain energy. But the youthful Brungarian loyalist group had kept
+them so busy with resistance outbreaks that they had delayed too
+long.</p>
+
+<p>"Lucky thing!" Tom put in with an affectionate grin at Exman. "If
+they had started to destroy him half an hour sooner, it might have been
+pretty sad for Ole Think Box!"</p>
+
+<p>
+Tom was intrigued by his father's design for an artificial speech
+mechanism. After talking it over, they decided that Tom would go to work
+on a central computer device to integrate all the senses. He would also
+provide Exman with "ears,"
+<span class = "pagenum">180</span>
+<a name = "page180"> </a>
+which would be sound-reception equipment. Mr. Swift, meanwhile, would
+continue work on the speech mechanism and also perfect the seeing
+equipment he had started earlier.</p>
+
+<p>The day sped by as the two Swifts worked with feverish intensity.
+Lunch was eaten from their workbenches, but the inventors reluctantly
+halted at dinnertime.</p>
+
+<p>After a tasty meal of fried chicken at home with Mrs. Swift and
+Sandy, both Toms returned to the plant. Father and son labored until
+well past midnight on their experiments. Then they snatched a few hours
+of sleep and resumed their tasks early the next morning.</p>
+
+<p>By early afternoon an atmosphere of excitement pervaded Enterprises.
+The visitor from Planet X would soon be able to communicate directly
+with his earth friends! Bud, Chow, Hank Sterling, Arv Hanson, and Art
+Wiltessa gathered in the laboratory, along with several other Swift key
+men. Mrs. Swift, Sandy, and Phyl also arrived to watch.</p>
+
+<p>At last the sensing equipment was completed and installed. Exman was
+ready to speak!</p>
+
+<p>His voice came out haltingly, but as the words were selected from a
+vast taped collection, they were clear and bold:</p>
+
+<blockquote>
+GREETINGS TO YOU, MY EARTH FRIENDS!
+</blockquote>
+
+<p class = "space">
+Sandy gave a squeal of delight and the room echoed with applause for
+Exman's first effort.
+<span class = "pagenum">181</span>
+<a name = "page181"> </a>
+After a few adjustments, he was able to speak more freely and
+smoothly.</p>
+
+<p>Tom whispered to Phyl, "Confidentially, we had a dummy run before
+lunchtime. At first, all Exman could do was croak like a frog."</p>
+
+<p>Phyl, thrilled by the spectacle of a speaking space creature, gave
+the young inventor's hand a squeeze. "Tom, he's just wonderful!"</p>
+
+<p>Tom agreed. "Our country owes him a lot for exposing the Brungarian
+rebel schemes."</p>
+
+<p>To Tom's amazement, Exman's "ears" picked up his murmured words, even
+above the babble of the spectators crowding the room.</p>
+
+<p>"Your country owes you much, Tom Swift," the creature said. "You
+conceived the idea of an electronic spy and found ways to block the
+rebels' destructive earthquake plans."</p>
+
+<p>As Tom flushed at the crowd's applause, Exman continued, "Unless I am
+mistaken, you will soon learn that you have accomplished even more."</p>
+
+<p>Tom was mystified by this. Meanwhile, the spectators listened
+spellbound as Exman went on talking, telling what he had learned of the
+valiant resistance efforts to overthrow the Brungarian rebels.</p>
+
+<p>A short time later the telephone rang. Tom answered, and the operator
+informed him that John Thurston of Central Intelligence was calling.</p>
+
+<p>
+<span class = "pagenum">182</span>
+<a name = "page182"> </a>
+"Great news, Tom," the CIA man said. "We've just learned that the
+rightful Brungarian government forces have struck hard in the capital
+city and at half a dozen other points. The rebel puppets and their
+troops have been crushed completely!"</p>
+
+<p>Tom was enthusiastic over the news.</p>
+
+<p>"That's not all," Thurston went on. "In case you don't realize it,
+the information which you supplied by means of your electronic spy is
+chiefly what enabled the government forces to win out. They've promised
+to dismantle the rebels' other two earthquake bases."</p>
+
+<p>As Tom hung up and relayed the electrifying news, Bud and the others
+burst into cheers.</p>
+
+<p>"It is all due to Tom Swift and his secret assistant," Exman
+said.</p>
+
+<p>Tom was puzzled by the remark but had no time to ask what he meant as
+the people in the room crowded around to shake his hand. Mr. and Mrs.
+Swift smiled proudly at their son's latest triumph. Phyl and Sandy
+expressed their feelings by giving Tom a quick kiss.</p>
+
+<p>"Hey! Where do I come in?" Bud protested.</p>
+
+<p>Before the girls could answer, the door of the laboratory opened and
+Harlan Ames walked in, accompanied by a lean, gray-eyed young man with
+dark close-cropped hair. <i>Samson Narko!</i></p>
+
+<p>
+Chow let out a yelp of rage. "Why, brand
+<span class = "pagenum">183</span>
+<a name = "page183"> </a>
+my sagebrush hash, it's that double-crossin' Brungarian&mdash;"</p>
+
+<p>"Hold it, Chow!" Ames cut short the outburst. "Allow me to introduce
+one of America's most effective counterespionage agents, Mr. Samson
+Narko!"</p>
+
+<p>Tom and his friends were astounded. Narko himself smiled somewhat
+uncomfortably. "I&nbsp;can imagine how you all feel&mdash;you
+especially, Tom. But, believe me, I could not risk pulling my punches
+even when it put you all in grave peril, such as when I fired that
+missile across the bow of your sub. I could only hope that Tom Swift
+would succeed in eluding&nbsp;us."</p>
+
+<p>Ames quickly briefed the others on Narko's background.
+Brungarian-born, he had received his engineering training in the United
+States and had learned to love America. When he saw his own country
+threatened by the forces of dictatorship, he had secretly offered his
+services to the CIA against the rebels. Soon afterward, the agency had
+approached him to become a counterspy.</p>
+
+<p>
+"I dared not relax from my role as a spy for a moment," Narko added.
+"I&nbsp;even grabbed the chance to plant that cache of firearms in
+Latty's cellar to convince any rebel agents who might be watching me
+that I was on their side. Tom, the rebels gave me the job of hijacking
+your space robot. But, going on the brief messages that the
+<span class = "pagenum">184</span>
+<a name = "page184"> </a>
+CIA was able to get through to me, I guessed that you were using it as
+bait."</p>
+
+<p>"I guess we all owe <i>you</i> an apology," Tom said. "And our
+thanks. We were lucky to have you on our side."</p>
+
+<p>"He saved the lives of a number of loyalist prisoners and gave the
+government forces some vital tip-offs of his own," Ames added.</p>
+
+<p>As Tom shook hands with Narko, the young Brungarian said warmly, "It
+is good to know that Tom Swift is my friend." With a chuckle, Narko
+added, "I&nbsp;know from experience that you certainly make a dangerous
+enemy!"</p>
+
+<p>As the others gathered around to speak to Samson Narko and add their
+friendly congratulations, Bud slapped Tom on the back.</p>
+
+<p>"Well, skipper, what's next on the schedule?"</p>
+
+<p>For a moment Tom did not reply. He too wondered where his next
+scientific adventure would lead&nbsp;him.</p>
+
+<p>Finally Tom turned to Bud. "I'm not sure. But who knows what space
+secrets Exman may have up his mechanical sleeve!"</p>
+
+<hr>
+
+<!--dust jacket copy-->
+<a name = "dust_jacket"> </a>
+
+<div class = "mynote">
+Section moved from beginning of book, in original order:
+</div>
+
+<h4>TOM SWIFT AND THE<br>
+VISITOR FROM PLANET X</h4>
+
+<h5 class = "serif">By VICTOR APPLETON II</h5>
+
+<p class = "dustjacket">
+<span class = "smallcaps">Tom Swift Jr.</span> and his associates at
+Swift Enterprises wait breathlessly for what may well be the most
+important scientific event in history&mdash;the arrival of the visitor
+from Planet X&mdash;a visitor in the form of energy. But there are
+factions at work determined to snatch the energy, which Tom has named
+Exman, from the young scientist-inventor's grasp. First, a series of
+unexplainable, devastating earthquakes threaten to destroy a good
+portion of the earth, and Tom suspects the Brungarian rebels who
+obviously would like to capture Exman and use the space visitor to
+further their own evil purposes.
+</p>
+
+<p class = "dustjacket">
+With the security of Enterprises and Exman at stake, Tom creates two of
+his greatest inventions&mdash;a Quakelizor to counteract the simulated
+earth tremors, and a container or "body" to house the energy from outer
+space.
+</p>
+
+<p class = "dustjacket">
+If the earthquakes cannot be stopped, the entire world will be
+threatened by destruction, and the Brungarian forces will conquer the
+earth. How Tom utilizes all his scientific knowledge to produce
+swift-action results and outwit the Brungarians makes one of the most
+exciting Tom Swift adventures to date.
+</p>
+
+<p class = "dustjacket center">
+GROSSET &amp; DUNLAP <i>Publishers</i><br>
+<span class = "smallcaps">New York</span> 10, N. Y.
+</p>
+
+<!--inside cover-->
+
+<p class = "illustration page">
+<img src = "images/inside_blue.jpg" width = "576" height = "420"
+title = "Inside Cover" alt = "Inside Cover (Tom Swift in his lab)">
+</p>
+
+<hr>
+
+<!--first title page-->
+
+<h1>TOM SWIFT AND THE</h1>
+
+<h1>VISITOR FROM PLANET X</h1>
+
+<hr class = "mid">
+
+<!--list of titles-->
+
+<h4>THE NEW TOM SWIFT JR. ADVENTURES</h4>
+
+<h5>BY VICTOR APPLETON II</h5>
+
+<h5 class = "serif">TOM SWIFT AND HIS FLYING LAB<br>
+TOM SWIFT AND HIS JETMARINE<br>
+TOM SWIFT AND HIS ROCKET SHIP<br>
+TOM SWIFT AND HIS GIANT ROBOT<br>
+TOM SWIFT AND HIS ATOMIC EARTH BLASTER<br>
+TOM SWIFT AND HIS OUTPOST IN SPACE<br>
+TOM SWIFT AND HIS DIVING SEACOPTER<br>
+TOM SWIFT IN THE CAVES OF NUCLEAR FIRE<br>
+TOM SWIFT ON THE PHANTOM SATELLITE<br>
+TOM SWIFT AND HIS ULTRASONIC CYCLOPLANE<br>
+TOM SWIFT AND HIS DEEP-SEA HYDRODOME<br>
+TOM SWIFT IN THE RACE TO THE MOON<br>
+TOM SWIFT AND HIS SPACE SOLARTRON<br>
+TOM SWIFT AND HIS ELECTRONIC RETROSCOPE<br>
+TOM SWIFT AND HIS SPECTROMARINE SELECTOR<br>
+TOM SWIFT AND THE COSMIC ASTRONAUTS<br>
+TOM SWIFT AND THE VISITOR FROM PLANET X</h5>
+
+<hr>
+
+<div class = "mynote">
+Typographical errors have been corrected and marked in the text
+with <ins class = "correction" title = "like this">mouse-hover
+popups</ins>.<br>
+Illustrations with a vertical "gutter" were printed across facing pages
+of the physical book.<br>
+<br>
+<i>Have a bookmark!</i>
+</div>
+
+<p class = "illustration">
+<img src = "images/swiftspine.jpg" width = "675" height = "89"
+alt = "spine of illustrated book cover">
+</p>
+
+
+
+
+
+
+
+
+<pre>
+
+
+
+
+
+End of the Project Gutenberg EBook of Tom Swift and The Visitor from Planet X, by
+Victor Appleton
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+</pre>
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+</body>
+</html>
+
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