This book investigates the biology, behavior, and conservation of cetaceans, focusing on whales, dolphins, and porpoises. R. M. Lockley, a renowned naturalist and conservationist, draws upon extensive field research and existing scientific literature to present a comprehensive overview of these marine mammals. The work aims to provide readers with a detailed understanding of cetacean life, their ecological roles, and the threats they face.

This work is recognized for its detailed scientific approach to cetacean studies, reflecting Lockley's expertise in zoology and conservation. It is likely regarded as a valuable resource for students and researchers interested in marine biology and mammalogy. The book's comprehensive scope suggests it provides a solid foundation for understanding the complexities of whale, dolphin, and porpoise life.