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  He jarred to silence, stared awhile into Everard's eyes, and bit his lip. "Sorry. I keep forgetting. Now and then, I remember I was not a killer at home—after a battle, when I see the dead scattered around, and worst of all the wounded. But I couldn't help it, Manse! I've had to fight! First there was the revolt. If I hadn't played along with Harpagus, how long do you think I'd have lasted, personally? And then there's been the realm itself. I didn't ask the Lydians to invade us, or the eastern barbarians. Have you ever seen a town sacked by Turanians, Manse? It's them or us, and when we conquer somebody we don't march them off in chains, they keep their own lands and customs and. . . . For Mithras's sake, Manse, could I do anything else?"

  Everard sat listening to the garden rustle under a breeze. At last: "No. I understand. I hope it hasn't been too lonesome."

  "I got used to it," said Denison carefully. "Harpagus is an acquired taste, but interesting. Croesus turned out to be a very decent fellow. Kobad the Mage has some original thoughts, and he's the only man alive who dares beat me at chess. And there's the feasting, and hunting, and women. . . ." He gave the other a defiant look. "Yeah. What else would you have me do?"

  "Nothing," said Everard. "Sixteen years is a long time."

  "Cassandane, my chief wife, is worth a lot of the trouble I've had. Though Cynthia—God in heaven, Manse!" Denison stood up and laid hands on Everard's shoulders. The fingers closed with bruising strength; they had held ax, bow, and bridle for a decade and a half. The King of the Persians shouted aloud:

  "How are you going to get me out of here?"

  7

  Everard rose too, walked to the floor's edge and stared through lacy stonework, thumbs hooked in his belt and head lowered.

  "I don't see how," he answered.

  Denison smote a fist into one palm. "I've been afraid of that. Year by year I've grown more afraid that if the Patrol ever finds me it'll. . . . You've got to help."

  "I tell you, I can't!" Everard's voice cracked. He did not turn around. "Think it over. You must have done so already. You're not some lousy little barbarian chief whose career won't make a jot of difference a hundred years from now. You're Cyrus, the founder of the Persian Empire, a key figure in a key milieu. If Cyrus goes, so does the whole future! There won't have been any twentieth century with Cynthia in it."

  "Are you certain?" pleaded the man at his back.

  "I boned up on the facts before hopping here," said Everard through clenched jaws. "Stop kidding yourself. We're prejudiced against the Persians because at one time they were the enemies of Greece, and we happen to get some of the more conspicuous features of our own culture from Hellenic sources. But the Persians are at least as important!

  "You've watched it happen. Sure, they're pretty brutal by your standards: the whole era is, including the Greeks. And they're not democratic, but you can't blame them for not making a European invention outside their whole mental horizon. What counts is this:

  "Persia was the first conquering power which made an effort to respect and conciliate the people it took over; which obeyed its own laws; which pacified enough territory to open steady contact with the Far East; which created a viable world religion, Zoroastrianism, not limited to any one race or locality. Maybe you don't know how much Christian belief and ritual is of Mithraic origin, but believe me, it's plenty. Not to mention Judaism, which you, Cyrus the Great, are personally going to rescue. Remember? You'll take over Babylon and allow those Jews who've kept their identity to return home; without you, they'd be swallowed up and lost in the general ruck as the ten other tribes already have been.

  "Even when it gets decadent, the Persian Empire will be a matrix for civilization. What were most of Alexander's conquests but just taking over Persian territory? And that spread Hellenism through the known world! And there'll be Persian successor states: Pontus, Parthia, the Persia of Firduzi and Omar and Hafiz, the Iran we know and the Iran of a future beyond the twentieth century. . . ."

  Everard turned on his heel. "If you quit," he said, "I can imagine them still building ziggurats and reading entrails—and running through the woods up in Europe, with America underdiscovered—three thousand years from now!"

  Denison sagged. "Yeah," he answered. "I thought so."

  He paced awhile, hands behind his back. The dark face looked older each minute. "Thirteen more years," he murmured, almost to himself. "In thirteen years I'll fall in battle against the nomads. I don't know exactly how. One way or another, circumstances will force me to it. Why not? They've forced me into everything else I've done, willy-nilly . . . In spite of everything I can do to train him, I know my own son Cambyses will turn out to be a sadistic incompetent and it will take Darius to save the empire—God!" He covered his face with a flowing sleeve. "Excuse me. I do despise self-pity, but I can't help this."

  Everard sat down, avoiding the sight. He heard how the breath rattled in Denison's lungs.

  Finally the King poured wine into two chalices, joined Everard on the bench and said in a dry tone: "Sorry. I'm okay now. And I haven't given up yet."

  "I can refer your problem to headquarters," said Everard with a touch of sarcasm.

  Denison echoed it: "Thanks, little chum. I remember their attitude well enough. We're expendable. They'll interdict the entire lifetime of Cyrus to visitors, just so I won't be tempted, and send me a nice message. They will point out that I'm the absolute monarch of a civilized people, with palaces, slaves, vintages, chefs, entertainers, concubines, and hunting grounds at my disposal in unlimited quantities, so what am I complaining about? No, Manse, this is something you and I will have to work out between us."

  Everard clenched his fists till he felt the nails bite into the palms. "You're putting me in a hell of a spot, Keith," he said.

  "I'm only asking you to think on the problem—and Ahriman damn you, you will!" Again the fingers closed on his flesh, and the conqueror of the East snapped forth a command. The old Keith would never have taken that tone, thought Everard, anger flickering up; and he thought:

  If you don't come home, and Cynthia is told that you never will. . . . She could come back and join you; one more foreign girl in the King's harem won't affect history. But if I reported to headquarters before seeing her, reported the problem as insoluble, which it doubtless is in fact . . . why, then the reign of Cyrus would be interdicted and she could not join you.

  "I've been over this ground before, with myself," said Denison more calmly. "I know the implications as well as you do. But look, I can show you the cave where my machine rested for those few hours. You could go back to the moment I appeared there and warn me."

  "No," said Everard. "That's out. Two reasons. First, the regulation against that sort of thing, which is a sensible one. They might make an exception under different circumstances, but there's a second reason too: you are Cyrus. They're not going to wipe out an entire future for one man's sake."

  Would I do it for one woman's? I'm not sure. I hope not . . . Cynthia wouldn't have to know the facts. It would be kinder if she didn't. I could use my Unattached authority to keep the truth secret from lower echelons and tell her nothing except that Keith had irrevocably died under circumstances which forced us to shut off this period to time traffic. She'd grieve awhile, of course, but she's too healthy to mourn forever. . . . Sure, it's a lousy trick. But wouldn't it be kinder in the long run than letting her come back here, to servile status, and share her man with at least the dozen princesses that politics forces him to be married to? Wouldn't it be better for her to make a clean break and afresh start, among her own people?

  "Uh-huh," said Denison. "I mentioned that idea only to dispose of it. But there must be some other way. Look, Manse, sixteen years ago a situation existed from which everything else has followed, not through human caprice but through the sheer logic of events. Suppose I had not showed up? Mightn't Harpagus have found a different pseudo-Cyrus? The exact identity of the King doesn't matter. Another Cyrus would have acted differently from me in a million day-to
-day details. Naturally. But if he wasn't a hopeless moron or maniac, if he was a reasonably able and decent person—give me credit for being that much—then his career would have been the same as mine in all the important ways, the ways that got into the history books. You know that as well as I do. Except at the crucial points, time always reverts to its own shape. The small differences damp out in days or years, negative feedback. It's only at key instants that a positive feedback can be set up and the effects multiply with passing time instead of disappearing. You know that!"

  "Sure," said Everard. "But judging from your own account, your appearance in the cave was crucial. It was that which put the idea in Harpagus's head. Without it, well, I can imagine a decadent Median Empire falling apart, maybe falling prey to Lydia, or to the Turanians, because the Persians wouldn't have had the kind of royal divine-right-by-birth leadership they needed. . . . No. I wouldn't come near that moment in the cave without authorization from anyone less than a Danellian."

  Denison looked at him over a raised chalice, lowered it and kept on looking. His face congealed into a stranger's. He said at last, very softly:

  "You don't want me to come back, do you?"

  Everard leaped off the bench. He dropped his own cup; it rang on the floor and wine ran from it like blood.

  "Shut up!" he yelled.

  Denison nodded. "I am the King," he said. "If I raise my finger, those guards will hack you in pieces."

  "That's a hell of a way to get my help," growled Everard.

  Denison's body jerked. He sat motionless for a while, before he got out: "I'm sorry. You don't realize what a shock. . . . Oh, yes, yes, it hasn't been a bad life. It's had more color in it than most, and this business of being quasi-divine grows on you. I suppose that's why I'll take the field beyond the Jaxartes, thirteen years from now: because I can't do anything else, with all those young lion eyes on me. Hell, I may even think it was worth it."

  His expression writhed smilewards. "Some of my girls have been absolute knockouts. And there's always Cassandane. I made her my chief wife because in a dark way she reminds me of Cynthia. I think. It's hard to tell, after all this time. The twentieth century isn't real to me. And there's more actual satisfaction in a good horse than a sports car . . . and I know my work here is valuable, which isn't a knowledge granted to many. . . . Yeh. I'm sorry I barked at you. I know you'd help if you dared. Since you don't, and I don't blame you, you needn't regret it for my sake."

  "Cut that out!" groaned Everard.

  It felt as if there were gears in his brain, spinning against emptiness. Overhead he saw a painted roof, where a youth killed a bull, and the Bull was the Sun and the Man. Beyond columns and vines trod guards in dragon-skin mailcoats, their bows strung, their faces like carved wood. The harem wing of the palace could be glimpsed, where a hundred or a thousand young women counted themselves fortunate to await the King's occasional pleasure. Beyond the city walls lay harvest fields where peasants readied sacrifice to an Earth Mother who was old in this land when the Aryans came, and that was in a dark predawn past. High over the walls floated the mountains, haunted by wolf, lion, boar, and demon. It was too alien a place. Everard had thought himself hardened to otherness, but now he wanted suddenly to run and hide, up to his own century and his own people and a forgetting.

  He said in a careful voice, "Let me consult a few associates. We can check the whole period in detail. There might be some kind of switch point where . . . I'm not competent to handle this alone, Keith. Let me go back upstairs and get some advice. If we work out anything we'll return to . . . this very night."

  "Where's your scooter?" asked Denison.

  Everard waved a hand. "Up in the hills."

  Denison stroked his beard. "You aren't telling me more than that, eh? Well, it's wise. I'm not sure I'd trust myself, if I knew where a time machine could be gotten."

  "I don't mean that!" shouted Everard.

  "Oh, never mind. Let's not fight about it." Denison sighed. "Sure, go on home and see what you can do. Want an escort?"

  "Better not. It isn't necessary, is it?"

  "No. We've made this area safer than Central Park."

  "That isn't saying much." Everard held out his hand. "Just get me back my horse. I'd hate to lose him: special Patrol animal, trained to time hop." His gaze closed with the other man's. "I'll return. In person. Whatever the decision is."

  "Sure, Manse," said Denison.

  They walked out together, to go through the various formalities of notifying guardsmen and gatekeepers. Denison indicated a palace bedchamber where he said he would be every night for a week, as a rendezvous. And then at last Everard kissed the King's feet, and when the royal presence had departed he got aboard his horse and jogged slowly out through the palace gates.

  He felt empty inside. There was really nothing to be done; and he had promised to come back himself and pass that sentence upon the King.

  8

  Late that day he was in the hills, where cedars gloomed above cold, brawling brooks and the side road onto which he had turned became a rutted upward track. Though arid enough, the Iran of this age still had a few such forests. The horse plodded beneath him, worn down. He should find some herdsman's house and request lodging, simply to spare the creature. But no, there would be a full moon; he could walk if he must and reach the scooter before sunrise. He didn't think he could sleep.

  A place of long sere grass and ripe berries did invite him to rest, though. He had food in the saddlebags, a wineskin, and a stomach unfilled since dawn. He clucked encouragingly to the horse and turned.

  Something caught his eye. Far down the road, level sunlight glowed off a dust cloud. It grew bigger even as he watched. Several riders, he guessed, coming in one devil of a hurry. King's messengers? But why, into this section? Uneasiness tickled his nerves. He put on his helmet cap, buckled the helmet itself above, hung shield on arm and loosened the short sword in its sheath. Doubtless the party would just hurry on past him, but. . . .

  Now he could see that there were eight men. They had good horseflesh beneath them, and the rearmost led a string of remounts. Nevertheless the animals were pretty jaded; sweat had made streaks down their dusty flanks and manes were plastered to necks. It must have been a long gallop. The riders were decently clad in the usual full white pants, shirt, boots, cloak, and tall brimless hat: not courtiers or professional soldiers, but not bandits either. They were armed with swords, bows, and lariats.

  Suddenly Everard recognized the greybeard at their head. It exploded in him: Harpagus!

  And through whirling haze he could also see—even for ancient Iranians, the followers were a tough-looking crew.

  "Oh-oh," said Everard, half aloud. "School's out."

  His mind clicked over. There wasn't time to be afraid, only to think. Harpagus had no other obvious motive for hightailing into the hills than to catch the Greek Meander. Surely, in a court riddled with spies and blabbermouths, Harpagus would have learned within an hour that the King spoke to the stranger as an equal in some unknown tongue and let him go back northward. It would take the Chiliarch a while longer to manufacture some excuse for leaving the palace, round up his personal bully boys, and give chase. Why? Because "Cyrus" had once appeared in these uplands, riding some device which Harpagus had coveted. No fool, the Mede must never have been satisfied with the evasive yarn Keith had handed him. It would seem reasonable that one day another mage from the King's home country must appear; and this time Harpagus would not let the engine go from him so easily.

  Everard paused no longer. They were only a hundred yards away. He could see the Chiliarch's eyes glitter beneath shaggy brows. He spurred his horse, off the road and across the meadow.

  "Stop!" yelled a remembered voice behind him. "Stop, Greek!"

  Everard got an exhausted trot out of his mount. The cedars threw long shadows across him.

  "Stop or we shoot! . . . halt! . . . shoot, then! Not to kill! Get the steed!"

  At the forest edge, Ev
erard slipped from his saddle. He heard an angry whirr and a score of thumps. The horse screamed. Everard cast a glance behind; the poor beast was on its knees. By God, somebody would pay for this! But he was one man and they were eight. He hurried under the trees. A shaft smote a trunk by his left shoulder, burying itself.

  He ran, crouched, zigzag in a chilly sweet-smelling twilight. Now and then a low branch whipped across his face. He could have used more underbrush, there were some Algonquian stunts for a hunted man to try, but at least the soft floor was noiseless under his sandals. The Persians were lost to sight. Almost instinctively, they had tried to ride after him. Cracking and crashing and loud obscenities ripped the air to show how well that had worked.

  They'd come on foot in a minute. He cocked his head. A faint rush of water. . . . He moved in its direction, up a steep boulder-strewn slope. His hunters were not helpless urbanites, he thought. At least some of them were sure to be mountaineers, with eyes to read the dimmest signs of his passage. He had to break the trail; then he could hole up until Harpagus must return to court duties. The breath grew harsh in his throat. Behind him voices snapped forth, a note of decision, but he couldn't make out what was said. Too far. And the blood pounded so loudly in his ears.

  If Harpagus had fired on the King's guest, then Harpagus surely did not intend that that guest should ever report it to the King. Capture, torture till he revealed where the machine lay and how to operate it, and a final mercy of cold steel were the program. Judas, thought Everard through the clamor in his veins, I've mucked this operation up till it's a manual of how not to be a Patrolman. And the first item is, don't think so hard about a certain girl who isn't yours that you neglect elementary precautions.