Even in the ocean, the members of dolphin and whale pods function together as an organized group. Readers will learn how they hunt, travel, and communicate with

The eighty-nine cetacean species that swim our seas and rivers are as diverse as they are intelligent and elusive, from the hundred-foot-long, two-hundred-ton b

*Now a New York Times Best Seller* Over the course of two decades, John Hargrove worked with 20 different whales on two continents and at two of SeaWorld's U.S.

Drawing on their own research as well as scientific literature including evolutionary biology, animal behavior, ecology, anthropology, psychology and neuroscien