"He's tired out," Siller said. "He can't make it." Shrill squeaks rose. He was being urged on. "Give him a hand," Basset said. He bent down, picking the tiny figure up. He held him carefully between his gloved fingers, turning him around and around. "Ouch!" He set him down quickly. "What is it?" Groves came over. "He stung me." Basset massaged his thumb. "Stung you?" "Stabbed, I mean. With his sword." "You'll be all right." Groves went on, after the tiny figures. "Sir," Siller said to Carmichel, "this certainly makes the Ganymede problem seem remote." "It's a long way off." "I wonder what their city will be like," Groves said. "I think I know," Basset said. "You know? How?" Basset did not answer. He seemed to be deep in thought, watching the figures on the ground intently. "Come on," he said. "Let's not lose them." They stood together, none of them speaking. Ahead, down a long slope, lay a miniature city. The tiny figures had fled into it, across a drawbridge. Now the bridge was rising, lifted by almost invisible threads. Even as they watched, the bridge snapped shut. "Well, Doc?" Siller said. "This what you expected?" Basset nodded. "Exactly." The city was walled, built of gray stone. It was surrounded by a little moat. Countless spires rose up, a conglomeration of peaks