"He's got even less."

"Ten more minutes?"

"All right, ten. But why did you come out here with me if you're ready to give up so easy?"

"Who said I am? I'm trying to be practical, Mac. Listen, I saved Stedman's life once already—and stayed out on the hot side of Mercury longer than a person should, too. I like Stedman, but if we ever find him, better not say that or I'll break your neck, hear? So I want to find him, but I don't want to sacrifice your life or mine in the attempt. Is that clear?"

Kevin said that it was.

A moment later, Teejay climbed higher. Half a thousand feet above the surface of Ganymede she circled. Abruptly, she leveled off at a hundred feet again, said:

"There's something over there, Mac. In that ringwall."

"What?"

"I don't know. Movement. A big figure and a little one. The big one seems too large for a man, but the smaller—well, let's go."