Introduces whales, discussing their physical features, behavior, and complex communication abilities, along with a history of whaling and a description of the efforts being made by scientists around the world to save them from extinction. --Publisher.

Introduction: Out of the deep -- What's a whale? -- Hunting down whales -- Whales get a closer look -- Schooling with whales -- What do cetologists do? -- Listening for whales -- From snotbots to feces finders -- Captive whales -- Rescuing whales -- Citizen whale science -- The whales are missing!.