"All right," he answered, "but this time I think I'll decline. I don't want to take unnecessary risks."

To be honest, Billy hadn't known dolphins personally. He'd been on a scuba trip once, and watched documentaries, but he lacked personal experience. Instead, he drew on Stacy's memory banks to keep everything realistic.

He switched to a swimsuit and swam alongside Katara, competent but clumsy by comparison. "They'll approach soon. Just a minute."