London: Christopher Helm/A & C Black, 2004. Octavo, colour plates, colour photographs, maps, fine copy in dustwrapper.

This superb guide covers 43 species of gulls, including their subspecies. There are 96 full-colour plates covering all plumage variations plus over 800 unpublished photographs. The text is highly detailed and covers all aspects of gull identification and biology. A must for the serious birdwatcher. Original publication was recalled. This is the reissued new printing with corrections.