fireplace and even the pictures on the wall. He did not hear the door open, though it made a faint click which would have been audible to anyone less preoccupied. He did not even hear the woman's footsteps approaching him across the room. Her tread was very light and the rug was deep-napped and very soft. But her quick, excited breathing and the heady perfume which was distilling its essence through the room—an odor of jasmine—and the rustle of her dress as she moved quickly made him aware that he was no longer alone. He turned abruptly and stood staring at her, unable to move or speak, a look of dazed disbelief in his eyes. He had never seen the woman before. Once seen, her face would have stayed forever in his memory and he could not possibly have forgotten how tormentingly beautiful it was or failed to remember every first-encounter impression, the time, the place, the exact moment when she had ceased to be a stranger. Her beauty was so overwhelming that it stirred the heart in ways that were dangerous. Instantly, tumultuously, like a drug injected directly into the aorta, tightening the muscle fibers, drawing them together, increasing each pulse beat, turning each beat into a hammer blow in a bursting stillness. THREE David Loring had no way of knowing that he was under observation and that his every movement was being watched. He could not see the lighted tele-communication screen or the cold, alien eyes trained on his image as he inserted the key which Janice had given him into the door of her apartment and stood for an instant motionless, with an angry set to his jaw. He did not know that an alien electronic pickup device was transmitting his image from an apartment house hallway in Greenwich Village to a hovering flying disk high in the sky. Within the disk the screen glowed brightly and Loring's image was life size. It stood out with a startling, three-dimensional clarity. Not only was the image studied carefully, it was relayed to a dozen other flying disks within a radius of six hundred miles. The eyes that watched were dark and inscrutable, buried in folds of pinkish flesh. They did not blink, but stared steadily and without noticeable animation. Each eye was like a smoky lens, concealing more than it revealed, keeping its many secrets hidden. Each eye was a Sphinx-eye, brooding and unfathomable. And each