Princeton: Princeton University Press, (2015. third edition). Octavo, paperback, limp plastic, colour photographs, maps.

A comprehensive and beautifully designed photographic field guide covering all of the breeding butterflies of Britain and Ireland. Containing hundreds of stunning colour photographs, this revised and updated edition provides the latest information on every species ever recorded. It covers in detail the identification of all 59 butterfly species that breed regularly, as well as four former breeders, 10 rare migrants and one species of unknown status. The easy-to-use format will enable both beginners and experts to identify any species they encounter. Stunning colour plates show typical views of each butterfly species, including the various forms and aberrations. Detailed species profiles cover adult identification; behaviour; habitat requirements; population and conservation; egg, caterpillar and chrysalis; and status and distribution, including up-to-date maps.