Britain's Sea Mammals: Whales, Dolphins, Porpoises, and Seals and Where to Find Them

Jon Dunn lives in Shetland, UK, working there and abroad as a wildlife tour guide and writer. Robert Still is the publishing director and chief designer of WILD"Guides"--a publishing company specializing in field guides that help raise funds for conservation. Hugh Harrop founded the award-winning ecotourism business Shetland Wildlife in 1992. He is the author of "Where to Watch Birds in Shetland".