Dilo and Debra discover a gold ring and an ancient shipwreck but when their secret is discovered they become caught up in a dangerous adventure with ruthless, gold-hungry divers.
Horace Edward Dobbs (1933-) is a British scientist, researcher, author, and television producer, who is regarded as an expert on dolphins and their behavior. In 1978, Dobbs sets up the International Dolphin Watch. He also founded the Oxford Underwater Research Group.