startlingly potent. Trace picked up the helmet and settled it on his own head, where it dropped and rested heavily on his ears. He stepped behind a maple tree between sidewalk and street. "Out of sight," he growled at the others. The second alien slowed, walked briskly, faltered, stopped. He called out a couple of questioning syllables in the avianlike tongue. Trace came out from behind the tree and shot the orange beam directly into the single great eye. In the second's grace he thus achieved, he stepped up to the creature and clipped it sharply, competently, on the button. "That does it," he said with satisfaction. "We got it made." He knelt, removed the helmet, passed it to Slough. Then he took off the one which he himself wore and gave it to Bill. "Toss them someplace where the light won't show. Can't mess around trying to turn 'em off—and they might be a couple of booby-traps. Broadcasting stations with brims, that'd lead the enemy right to us." He heaved up at the greenie's middle. He whooshed with surprise. "Little help, Bill," he grunted. "This thing weighs about three hundred!" With the magician's aid he stood up, holding the alien over one shoulder. He looked toward the invisible hill; he was thinking of Jane Kelly. It doesn't matter a damn about the others, he thought, not even the girl Barbara; but that little teacher with the sensible shoes.... They went up to the theater and turned the corner and there ahead of them were many ducking, bobbing orange lights. A ragged line of aliens were approaching the town, had already cut them off from the hill. They ran, Trace heavily with the inert weight on his shoulder, and there were more coming at them from the other side, so that their only escape lay through an alley that ran beside the theater. Down this they pounded, Trace cursing the helmets which must have shot out warning signals when they were removed; the aliens were coming too fast and purposefully for it to be accidental. The alley debouched into another, but this was spotted at the ends by more head-lamps. Bill felt a cold touching him that was deeper and more icy than the January wind. He said, "The movie's the last bet," and jumping to the back exit of the place, he performed a swift sleight-of-hand that every magician knows of, and the lock swung open, the hasp flipping back from the staple. He pulled at the door, Slough crept into the blackness, and Trace, still carrying the unconscious greenie, followed. Bill closed the door behind him. It was