Providing an illustrated account of the dolphin, this book examines the complex societies of these intelligent animals, their sophisticated forms of communication, the possibility of a dolphin language, and the relationship between the dolphin and mankind. It also looks at the dolphin in mythology and world literature, at its life in captivity, and at what is needed to ensure the survival of one of the most endearing species of marine life.;The author is a film-maker and researcher whose other natural-history books include The Incredible Heap and Pandas.