Mankind has celebrated whales, dolphins and porpoises since prehistoric times. Down through the ages to the present day, these marine mammals have fascinated and inspired people around the world. This introduction to whales, dolphins and porpoises, collectively known has cetaceans, has all the information required to better understand and appreciate these charismatic animals and their marine environment. We explore the history, biology, behaviour and relationships with man of each of the cetacean families. Illustrated throughout with captivating photographs, there is something for everyone to discover in this up-to-date survey of some of the world’s most popular and endangered animals.