Mark Carwardine is a zoologist, writer, radio and TV presenter, wildlife photographer, wildlife tour 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 has been writing a monthly column in BBC Wildlife magazine since 2004, is Contributing Editor of Wanderlust magazine, and has written more than 50 books on wildlife and conservation, including many about whales.

He has been studying, observing and photographing whales, dolphins and porpoises around the world for more than 30 years.

Amy-Jane Beer has written more than 30 books about science and natural history including Cool Nature and The A–Z of Wildlife Watching. Her expertise has also seen her edit at a number of wildlife publications including Animals, Animals, Animals and Wildlife World magazine. Beer is a Country Diarist for The Guardian, and feature writer for BBC Wildlife magazine, BBC Countryfile and the Yorkshire Post.