Mark Carwardine is a zoologist, writer, radio and TV presenter, wildlife photographer, whale-watch operator and an active and outspoken conservationist, with a special interest in cetaceans. His TV series include BBC's Last Chance to See with Stephen Fry, and for many years he presented the weekly half-hour programme Nature on BBC Radio 4. Mark writes a monthly column in BBC Wildlife magazine and has written more than 50 books on wildlife and conservation, including the Handbook of Whales, Dolphins and Porpoises, Mark Carwardine's Guide to Whale Watching in Britain and Europe and Mark Carwardine's Guide to Whale Watching in North America.