hen he let himself down into the ship's belly, in the three-foot-high space between the deck and the bottom outer hull. He found the three rows of delicately adjusted gravity plates in good order. Harkness joined him.

Their hand-flashes scanned every inch of the narrow compartment as they made the under-deck passage from stem to bow and up through the forward trap-door into the control cabin. They found nothing abnormal. The water and fuel tanks, built in the space between the inner and outer shells above the living quarters, also yielded nothing; likewise the storeroom.

Nothing. Nothing at all. The whole ship was in excellent condition. Everything was working as it should. Carse went forward again with Harness; turned and faced him with puzzled eyes.

"I can't understand it," he said. "Why that threat, when everything seems all right? How can Judd reach me to kill me? And in minutes?"

The navigator shook his head. "It's beyond me, sir."

The Hawk shrugged his shoulders. "Well, we'll see. It might be something altogether new. You report to the engine-room and keep on watch there. Any sound or sign, give the general alarm."

"Yes, sir," he said, and left.

"He talkin' foolish, that Judd," grumbled Friday, seeing that the search had been fruitless. "He think maybe he can bust through our ray-web? Hmff!"