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  Time Patrol

  Poul Anderson

  The Time Patrol

  Poul Anderson

  This is a work of fiction. All the characters and events portrayed in this book are fictional, and any resemblance to real people or incidents is purely coincidental.

  Copyright ©2006 by Poul Anderson

  All rights reserved, including the right to reproduce this book or portions thereof in any form.

  A Baen Books Original

  Baen Publishing Enterprises

  P.O. Box 1403

  Riverdale, NY 10471

  www.baen.com

  ISBN-10: 1-4165-0935-6

  ISBN-13: 978-1-4165-0935-6

  First printing, February 2006

  Cover Art by David Mattingly

  Library of Congress Cataloging-in-Publication Data

  TK

  Distributed by Simon & Schuster

  1230 Avenue of the Americas

  New York, NY 10020

  Typeset by Windhaven Press, Auburn, NH

  Printed in the United States of America

  Time Patrol

  1

  MEN WANTED—21-40, pref. single, mil. or tech. exp., good physique, for high-pay work with foreign travel. Engineering Studies Co., 305 E. 45, 9-12 & 2-6.

  "The work is, you understand, somewhat unusual," said Mr. Gordon. "And confidential. I trust you can keep a secret?"

  "Normally," said Manse Everard. "Depends on what the secret is, of course."

  Mr. Gordon smiled. It was a curious smile, a closed curve of his lips which was not quite like any Everard had seen before. He spoke easy colloquial General American, and wore an undistinguished business suit, but there was a foreignness over him which was more than dark complexion, beardless cheeks, and the incongruity of Mongolian eyes above a thin Caucasian nose. It was hard to place.

  "We're not spies, if that's what you're thinking," he said.

  Everard grinned. "Sorry. Please don't think I've gone as hysterical as the rest of the country. I've never had access to confidential data anyway. But your ad mentioned overseas operations, and the way things are—I'd like to keep my passport, you understand."

  He was a big man, with blocky shoulders and a slightly battered face under crew-cut brown hair. His papers lay before him: Army discharge, the record of work in several places as a mechanical engineer. Mr. Gordon had seemed barely to glance at them.

  The office was ordinary, a desk and a couple of chairs, a filing cabinet, and a door leading off in the rear. A window opened on the banging traffic of New York, six stories down.

  "Independent spirit," said the man behind the desk. "I like that. So many of them come cringing in, as if they'd be grateful for a kick. Of course, with your background you aren't desperate yet. You can still get work, even in . . . ah, I believe the current term is a rolling readjustment."

  "I was interested," said Everard. "I've worked abroad, as you can see, and would like to travel again. But frankly, I still don't have the faintest idea what your outfit does."

  "We do a good many things," said Mr. Gordon. "Let me see . . . you've been in combat. France and Germany." Everard blinked; his papers had included a record of medals, but he'd have sworn the man hadn't had time to read them. "Um . . . would you mind grasping those knobs on the arms of your chair? Thank you. Now, how do you react to physical danger?"

  Everard bristled. "Look here—"

  Mr. Gordon's eyes flicked to an instrument on his desk: it was merely a box with an indicator needle and a couple of dials. "Never mind. What are your views on internationalism?"

  "Say, now—"

  "Communism? Fascism? Women? Your personal ambitions? . . . That's all. You don't have to answer."

  "What the devil is this, anyway?" snapped Everard.

  "A bit of psychological testing. Forget it. I've no interest in your opinions except as they reflect basic emotional orientation." Mr. Gordon leaned back, making a bridge of his fingers. "Very promising so far. Now, here's the set up. We're doing work which is, as I've told you, highly confidential. We . . . ah . . . we're planning to spring a surprise on our competitors." He chuckled. "Go ahead and report me to the FBI if you wish. We've already been investigated and have a clean bill of health. You'll find that we really do carry on worldwide financial and engineering operations. But there's another aspect of the job, and that's the one we want men for. I'll pay you one hundred dollars to go in the back room and take a set of tests. It'll last about three hours. If you don't pass, that's the end of it. If you do, we'll sign you on, tell you the facts, and start you training. Are you game?"

  Everard hesitated. He had a feeling of being rushed. There was more to this enterprise than an office and one bland stranger. Still. . . .

  Decision. "I'll sign on after you've told me what it's all about."

  "As you wish," shrugged Mr. Gordon. "Suit yourself. The tests will say whether you're going to or not, you know. We use some very advanced techniques."

  That, at least, was entirely true. Everard knew a little something about modern psychology: encephalographs, association tests, the Minnesota profile. He did not recognize any of the hooded machines that hummed and blinked around him. The questions which the assistant—a white-skinned, completely hairless man of indeterminate age, with a heavy accent and no facial expression—fired at him seemed irrelevant to anything. And what was the metal cap he was supposed to wear on his head? Into what did the wires from it lead?

  He stole glances at the meter faces, but the letters and numerals were like nothing he had seen before. Not English, French, Russian, Greek, Chinese, anything belonging to A.D. 1954. Perhaps he was already beginning to realize the truth, even then.

  A curious self-knowledge grew in him as the tests proceeded. Manson Emmert Everard, age thirty, onetime lieutenant in the U.S. Army Engineers; design and production experience in America, Sweden, Arabia; still a bachelor, though with increasingly wistful thoughts about his married friends; no current girl, no close ties of any kind; a bit of a bibliophile; a dogged poker player, fondness for sailboats and horses and rifles; a camper and fisherman on his vacations. He had known it all, of course, but only as isolated shards of fact. It was peculiar, this sudden sensing of himself as an integrated organism, this realization that each characteristic was a single inevitable facet of an overall pattern.

  He came out exhausted and wringing wet. Mr. Gordon offered him a cigarette and swept eyes rapidly over a series of coded sheets which the assistant gave him. Now and then he muttered a phrase: ". . . Zeth-20 cortical . . . undifferentiated evaluation here . . . psychic reaction to antitoxin . . . weakness in central coordination. . . ." He had slipped into an accent, a lilt and a treatment of vowels which were like nothing Everard had heard in a long experience of the ways in which the English language can be mangled.

  It was half an hour before he looked up again. Everard was getting restless, a faint anger stirring at this cavalier treatment, but interest kept him sitting quietly. Mr. Gordon flashed improbably white teeth in a broad, satisfied grin. "Ah. At last. Do you know, I've had to reject twenty-four candidates already? But you'll do. You'll definitely do."

  "Do for what?" Everard leaned forward, conscious of his pulse picking up.

  "The Patrol. You're going to be a kind of policeman."

  "Yeah? Where?"

  "Everywhere. And everywhen. Brace yourself, this is going to be a shock.

  "You see, our company, while legitimate enough, is only a front and a source of funds. Our real business is patrolling time."

  2

  The Academy was in the American West. It was also in the Oligocene period, a warm age of forests and grasslands when man's ratty ancestors scuttled away from the tread of giant mammals. It had been built a thousand years ago;
it would be maintained for half a million—long enough to graduate as many as the Time Patrol would require—and then be carefully demolished so that no trace would remain. Later the glaciers would come, and there would be men, and in the year 19352 A.D. (the 7841st year of the Morennian Triumph), these men would find a way to travel through time and return to the Oligocene to establish the Academy.

  It was a complex of long, low buildings, smooth curves and shifting colors, spreading over a greensward between enormous ancient trees. Beyond it, hills and woods rolled off to a great brown river, and at night you could sometimes hear the bellowing of titanotheres or the distant squall of a sabertooth.

  Everard stepped out of the time shuttle—a big, featureless metal box—with a dryness in his throat. It felt like his first day in the Army, twelve years ago—or fifteen to twenty million years in the future, if you preferred—lonely and helpless, and wishing desperately for some honorable way to go home. It was a small comfort to see the other shuttles, discharging a total of fifty-odd young men and women. The recruits moved slowly together, forming an awkward clump. They didn't speak at first, but stood staring at each other. Everard recognized a Hoover collar and a bowler; the styles of dress and hairdo moved up through 1954 and on. Where was she from, the girl with the iridescent, close-fitting culottes and the green lipstick and the fantastically waved yellow hair? No . . . when?

  A man of about twenty-five happened to stand beside him: obviously British, from the threadbare tweeds and the long, thin face. He seemed to be hiding a truculent bitterness under his mannered exterior. "Hello," said Everard. "Might as well get acquainted." He gave his name and origin.

  "Charles Whitcomb, London, 1947," said the other shyly. "I was just demobbed—R.A.F.—and this looked like a good chance. Now I wonder."

  "It may be," said Everard, thinking of the salary. Fifteen thousand a year to start with! How did they figure years, though? Must be in terms of one's actual duration-sense.

  A man strolled in their direction. He was a slender young fellow in a skin-tight gray uniform with a deep-blue cloak which seemed to twinkle, as if it had stars sewn in. His face was pleasant, smiling, and he spoke genially with a neutral accent: "Hello, there! Welcome to the Academy. I take it you all know English?" Everard noticed a man in the shabby remnants of a German uniform, and a Hindu, and others who were probably from several foreign countries.

  "We'll use English, then, till you've all learned Temporal." The man lounged easily, hands on his hips. "My name is Dard Kelm. I was born in—let me see—9573 Christian reckoning, but I've made a specialty of your period. Which, by the way, extends from 1850 to 2000, though you're all from some in-between years. I'm your official wailing wall, if something goes wrong.

  "This place is run along different lines from what you've probably been expecting. We don't turn out men en masse, so the elaborate discipline of a classroom or an army is not required. Each of you will have individual as well as general instruction. We don't need to punish failure in studies, because the preliminary tests have guaranteed there won't be any and made the chance of failure on the job small. Each of you has a high maturity rating in terms of your particular cultures. However, the variation in aptitudes means that if we're to develop each individual to the fullest, there must be personal guidance.

  "There's little formality here beyond normal courtesy. You'll have chances for recreation as well as study. We never expect more of you than you can give. I might add that the hunting and fishing are still pretty good even in this neighborhood, and if you fly just a few hundred miles they're fantastic.

  "Now, if there aren't any questions, please follow me and I'll get you settled."

  Dard Kelm demonstrated the gadgets in a typical room. They were the sort you would have expected by, say, A.D. 2000: unobtrusive furniture readily adjusted to a perfect fit, refresher cabinets, screens which could draw on a huge library of recorded sight and sound for entertainment. Nothing too advanced, as yet. Each cadet had his own room in the "dormitory" building; meals were in a central refectory, but arrangements could be made for private parties. Everard felt the tension easing within him.

  A welcoming banquet was held. The courses were familiar but the silent machines which rolled up to serve them were not. There was wine, beer, an ample supply of tobacco. Maybe something had been slipped into the food, for Everard felt as euphoric as the others. He ended up beating out boogie on a piano while half a dozen people made the air hideous with attempts at song.

  Only Charles Whitcomb held back, sipping a moody glass over in a corner by himself. Dard Kelm was tactful and did not try to force him into joining.

  Everard decided he was going to like it. But the work and the organization and the purpose were still shadows.

  * * *

  "Time travel was discovered at a period when the Chorite Heresiarchy was breaking up," said Kelm, in the lecture hall. "You'll study the details later; for now, take my word that it was a turbulent age, when commercial and genetic rivalry was a tooth-and-claw matter between giant combines; anything went, and the various governments were pawns in a galactic game. The time effect was the by-product of a search for a means of instantaneous transportation, which some of you will realize requires infinitely discontinuous functions for its mathematical description . . . as does travel into the past. I won't go into the theory of it—you'll get some of that in the physics classes—but merely state that it involves the concept of infinite-valued relationships in a continuum of 4N dimensions, where N is the total number of particles in the universe.

  "Naturally, the group which discovered this, the Nine, were aware of the possibilities. Not only commercial—trading, mining, and other enterprises you can readily imagine—but the chance of striking a deathblow at their enemies. You see, time is variable; the past can be changed—"

  "Question!" It was the girl from 1972, Elizabeth Gray, who was a rising young physicist in her own period.

  "Yes?" said Kelm politely.

  "I think you're describing a logically impossible situation. I'll grant the possibility of time travel, seeing that we're here, but an event cannot both have happened and not happened. That's self-contradictory."

  "Only if you insist on a logic which is not Aleph-sub-Aleph-valued," said Kelm "What happens is like this: suppose I went back in time and prevented your father from meeting your mother. You would never have been born. That portion of universal history would read differently; it would always have been different, though I would retain memory of the 'original' state of affairs."

  "Well, how about doing the same to yourself?" asked Elizabeth. "Would you cease existing?"

  "No, because I would belong to the section of history prior to my own intervention. Let's apply it to you. If you went back to, I would guess, 1946, and worked to prevent your parents' marriage in 1947, you would still have existed in that year; you would not go out of existence just because you had influenced events. The same would apply even if you had only been in 1946 one microsecond before shooting the man who would otherwise have become your father."

  "But then I'd exist without—without an origin!" she protested. "I'd have life, and memories, and . . . everything . . . though nothing had produced them."

  Kelm shrugged. "What of it? You insist that the causal law, or strictly speaking the conversation-of-energy law, involve only continuous functions. Actually, discontinuity is entirely possible."

  He laughed and leaned on the lectern. "Of course, there are impossibilities," he said. "You could not be your own mother, for instance, because of sheer genetics. If you went back and married your former father, the children would be different, none of them you, because each would have only half your chromosomes."

  Clearing his throat: "Let's not stray from the subject. You'll learn the details in other classes. I'm only giving you a general background. To continue: the Nine saw the possibility of going back in time and preventing their enemies from ever having gotten started, even from ever being born. But then the Dan
ellians appeared."

  For the first time, his casual, half-humorous air dropped, and he stood there as a man in the presence of the unknowable. He spoke quietly: "The Danellians are part of the future—our future, more than a million years ahead of me. Man has evolved into something . . . impossible to describe. You'll probably never meet a Danellian. If you ever should, it will be . . . rather a shock. They aren't malignant—nor benevolent—they are as far beyond anything we can know or feel as we are beyond those insectivores who are going to be our ancestors. It isn't good to meet that sort of thing face to face.

  "They were simply concerned with protecting their own existence. Time travel was old when they emerged, there had been uncountable opportunities for the foolish and the greedy and the mad to go back and turn history inside out. They did not wish to forbid the travel—it was part of the complex which had led to them—but they had to regulate it. The Nine were prevented from carrying out their schemes. And the Patrol was set up to police the time lanes.

  "Your work will be mostly within your own eras, unless you graduate to unattached status. You will live, on the whole, ordinary lives, family and friends as usual; the secret part of those lives will have the satisfactions of good pay, protection, occasional vacations in some very interesting places, supremely worthwhile work. But you will always be on call. Sometimes you will help time travelers who have gotten into difficulties, one way or another. Sometimes you will work on missions, the apprehension of would-be political or military or economic conquistadors. Sometimes the Patrol will accept damage as done, and work instead to set up counteracting influences in later periods which will swing history back to the desired track.