For the second time that shadow smile appeared on the guide’s lips.

“No, you never saw me, Dessie. But I’ve seen you—several times. And you may call me Sach.”

“Sach,” she repeated. “That is a funny name. But this is very good soup, Sach. Is this a celebration?”

He looked startled. “Don’t know about its being a celebration, Dessie. But it is going to be a day of sleep for all of us. We still have a long way to go. Suppose you bed down over there and close your eyes.”

Dard was nodding over his own supply of food and a very short time later followed the same orders.

He awoke with a start. Sach was stooping over him, his grimed hand over Dard’s mouth as he shook him by the shoulder. As soon as he saw the awareness in the boy’s eyes, he dropped down on one knee to whisper:

“There’s a ’copter circling—been up and around overhead for a half hour. Either we’ve been trailed or they’ve found out about this cave and put a watch on it. Now you listen and get this straight. What Lars Nordis was doing means more than life to the Cleft Dwellers. They’ve been waiting for the results of his last tests.” He paused and in quite a different voice as if repeating some talisman added two words Dard had once heard from Lars “Ad Astra.” Then in a harsh command he continued, “They’ve got to have it and have it quick. We’re some five miles from the valley. Set a line straight to the peak you can see from this cave entrance and keep to it. Give me a good start and watch. If the ’copter follows me, then it’s okay for you to make a break to reach the peak. Keep undercover all you can. There’s only one long stretch where you cross the river that you have to be in the open.”

“But you—” Dard was trying to pull his sleep scattered thoughts together.

“I’ll go down slope the opposite way. If they are suspicious of this hiding hole and are watching it, they may take out after me. And I’ve played this type of hide and seek before, I know the game. You watch from the entrance while I go—now!”

Dard followed him to the narrow opening where Sach lingered just within the shadow listening. Now Dard could hear it too, the faint whine of a ’copter beating through the cold afternoon air. It grew to a steady drone, passed overhead, and faded. Sach still waited. Then he gave a curt nod to Dard and melted away.