This is the first comprehensive photographic guide to the marine mammals of the North American Pacific (Baja California, Mexico to South East Alaska), covering all 38 species of cetacean (whales, dolphins and porpoises), 6 species of pinniped (seals and sea lions), and the Sea Otter.

Its innovative, easy-to-use format aims to help whale-watchers identify any species they encounter, whether they are a beginner or an expert.

The 38 remarkable colour plates depict typical views of cetaceans at sea. They have been produced using the latest digital image technology and include images of some species never previously published.

The text covers the key identification features of each species, emphasising the differences between similar species, and includes information on behaviour, status and distribution.

Colour distribution maps and full colour artwork accompanies the text for each species.

There are additional chapters on the geography, climate and oceanography of the North American Pacific.

The book provides extensive information on where, when and how to go whale watching, and a guide to the best places to watch, including four accounts of outstanding days on the water.

The behaviour section of the guide is packed with amazing photographs of all the key marine mammal behaviours, helping you to get the most out of your whale watching experience or use important behavioural features to arrive at a conclusive identification.