Book excerpt: Dr. John Ford presents the latest information on 31 species of marine mammals that live in or visit BC waters: 25 whales, dolphins and porpoises, 5 seals and sea lions, and the sea otter. He describes each species and summarizes its distribution, habitat, social organization, feeding habits, conservation status and much more. Marine Mammals of British Columbia includes maps of sightings, and pointers on where to find each species in BC waters. It also contains hundreds of colour photographs and drawings to help recognize these animals in the ocean. This is an indispensable field guide and reference book for naturalists, boaters and anyone interested in marine life.