The Titans, who had investigated both snacks and glasses with deep suspicion, had now relaxed somewhat and were beginning to talk excitedly. One or two of the children went wandering off, not liking the strange food and much more interested in exploring.

"It's all right," Athena said to a worried-looking Rena. "There isn't anything that can hurt them." She paused. "Unless they go too near the edge."

Rena smiled. "They wouldn't be so stupid. But what about those ...