Watching Giants : The Secret Lives of Whales, Paperback by Kelsey, Elin; White, Doc (PHT); Gohier, Francois (PHT), ISBN 0520261585, ISBN-13 9780520261587, Like New Used, Free shipping in the US

Collects portraits of whale culture, including humpback whales that build nets with bubbles, social networks within the sea, and details of whale sex.