substance that wasn't really crystal, about three inches long and magnificently etched and fluted, and supplied with some odd little gadgets nobody would venture an opinion about. But the Thing didn't do them much good, dead. They had to have one alive, if they were going to find out what made it tick and learn how to put a stop to what the telecommentators had chosen to call The Madness from Beyond, or The Vampire Lure. One thing about it everybody knew. The guys who suddenly went sluggy and charged off the rails all made it clear that they had met the ultimate Dream Woman of all women and all dreams. Nobody else could see her, but that didn't bother them any. They saw her, and she was—She. And her eyes were always veiled. And She was a whiz at hypnosis and mind-control. That's why She, or It, hadn't been caught alive before. Not before Lundy and Smith, with every scientific aid Special could give them, had tracked down Farrell and managed to get the breaks. The breaks. Plain fool luck. Lundy moved his throbbing head stiffly on his aching neck, blinked sweat out of his bloodshot eyes, and wished to hell he was home in bed. Jackie Smith said suddenly, "Midget, I'm cold. Get me a blanket." Lundy looked at him. His pale green eyes were half open, but not as though they saw anything. He was shivering. "I can't leave the controls, Jackie." "Nuts. I've got one hand. I can hang onto this lousy tin fish that long." Lundy scowled. He knew Smith wasn't kidding about the cold. The temperatures on Mercury made the first-generation colonists sensitive to anything below the range of an electric furnace. With the wound and all, Smith might, wind up with pneumonia if he wasn't covered. "Okay." Lundy reached out and closed the switch marked A. "But I'll let Mike do the flying. He can probably last five minutes before he blows his guts out." Iron Mike was just a pattycake when it came to Venusian atmosphere flying. The constant magnetic compensation heated the robot coils to the fusing point in practically no time at all. Lundy thought fleetingly that it was nice to know there were still a couple of things men could do better than machinery. He got up,