With their distinctive characteristics, dolphins are an unending source of wonder and delight. They breathe air, nurse their young, and are both highly communicative and deeply intelligent. This fun and informative book from the Jean-Michel Cousteau Presents series introduces 40 species of dolphins through breathtaking color photographs, fascinating facts, and the author’s exciting accounts of his own encounters with these beloved mammals. Children learn about dolphins’ keen hunting ability, their characteristic jumps and lively games, the unique sense known as echolocation, and other remarkable traits. The book also describes the impact of fishing and pollution on dolphins’ natural habitats and explains what can be done to save them.