A thrilling journey into the spiritual, scientific and sometimes threatened world of dolphins. Includes an 8-page photo insert, explores the extraordinary world

NEW YORK TIMES BESTSELLER • Inspired by a profound experience swimming with wild dolphins off the coast of Maui, the bestselling author of The Wave set out on

center Dolphins are smart. They are so smart that they can talk to each other. Dolphins communicate underwater for the same reason people talk on land: to let o

Far off the coast of California looms a harsh rock known as the island of San Nicholas. Dolphins flash in the blue waters around it, sea otter play in the vast