1966 First Edition hardback  large 8vo Pp. xvi, 789,  tables, illustrations. Blue cloth lacks front endpaper in worn, chipped and price clipped dustwrapper.

International Symposium on Cetacean Research, with 33 chapters by various scientists. Systematics, geographic distribution, natural history, anatomy, physiology, propulsion, underwater observation and recording, communication, echolocation, behaviour, problem solving, and care-giving behaviour.