"What should I do?"

"Go as far forward as you can and scan for low openings in therock. Be wary. Be ready to attack in an instant."

They climbed into the low foothills. Jenny's aerial rose highinto the air, and the moths of steel cheesecloth unfolded their wingsand danced and spun about it, bright there in the morning light.

"Nothing yet," said Jenny, "and we can't go much further."

"Then we'll cruise along the length of it and keep scanning."

"To the right or to the left?"

"I don't know. Which way would you go it you were a renegade caron the lam?"

"I do not know."

"Pick one. It doesn't matter."

"To the right, then," she said, and they turned in that direction.

After half an hour the night was dropping away behind the mountains.To his right morning was exploding at the far end of the Plains,fracturing the sky into all the colors of autumn trees. Murdock drewa squeeze bottle of hot coffee, of the kind spacers had once used,from beneath the dashboard.

"Sam, I think I have found something."

"What? Where?"

"Ahead, to the left of that big boulder, a declivity with somekind of opening at its end."

"Okay, baby, make for it. Rockets ready."

They pulled abreast of the boulder, circled around its far side,headed downhill.

"A cave, or a tunnel," he said. "Go slowч"

"Heat! Heat!" she said. "I'm tracking again!"

"I can even see the tire marks, lots of them!" said Murdock."This is it!"

They moved toward the opening.

"Go in, but go slowly," he ordered. "Blast the first thing thatmoves."

They entered the rocky portal, moving on sand now. Jenny turnedoff her visible lights and switched to infra-red. An i-r lens rosebefore the windshield, and Murdock studied the cave. It was about