David Newland, a lifelong butterfly enthusiast, is the author of Discover Butterflies in Britain and the coauthor of Britain's Day-flying Moths (both WILDGuides). Robert Still, the cofounder of WILDGuides, is an ecologist and graphic artist, and has designed more than thirty of its titles. Andy Swash, the managing director of WILDGuides, is an ecologist and wildlife photographer. Swash and Still are coauthors of a number of books, including Britain's Day-flying Moths, Britain's Habitats and Britain's Mammals (all WILDGuides). David Tomlinson is a freelance writer on wildlife and the countryside and a longtime butterfly enthusiast.

"A real mine of information. . . . So much is crammed into such a small book, light enough to take into the field, that I thoroughly recommend it."---Adrian Spalding, Entomologist’s Gazette --- "This is a very accessible and well-written field guide that manages to act as a good introduction to our British butterflies as well as providing a great deal of information for the more experienced lepidopterist."---Andy Chick, Bulletin of the Amateur Entomological Society --- "A very good pocket guide."---John Badmin, British Journal of Entomology and Natural History --- "I found this to be a fact-filled book, easy to follow and use, with superb colour photographs of both sexes along with when to see them and associated foodplants. The whole book is set out well and I would definitely recommend this 240 page information packed Butterfly book. This is a 'must have' book regardless of whether you are a beginner or expert."---Neville Davies, Gwent Wildlife Trust --- "[A] comprehensive and superbly designed photographic guide." --- "Anyone even remotely interested in butterflies should have this on their bookshelf or in a rucksack when out and about."---Ray Collier, Highland News --- "An outstanding guide that should be an essential part of any naturalist’s toolkit."---Roy Stewart, British Naturalist’s Association --- "This field guide is an absolute 'must have' for anyone contemplating a wish to identify and learn more about butterflies. Whether simply observing butterflies in the garden, the countryside, local nature reserves or whilst on holiday, it contains all the information you need when in the field to identify your 'finds'."---Jim Almond, Shropshire Birder blog --- "This is a super little book. . . . Set out in an organised, logical and accessible design, and finished to the high quality we expect of Wildguides. Every inch of space is used to advantage so as to educate and inform the reader."---Phil Slade, Another Bird Blog --- "It is so comprehensive there’s no need to look for any other butterfly ID guide."---Eric Brown, News Shopper --- "

If you are a beginner or an experienced butterfly watcher but don’t yet own a copy of this book then now is the time to do so. It is a treasure trove of useful information presented in a range of different formats in order to facilitate rapid access to an identification. Anyone with an interest in the natural world should have at least one edition of this book on their shelves.

"---Peter Smithers, Antenna --- "I still consider this to be the best photographic field guide available, and highly recommend it."---Pete Eeles, Dispar - The Online Journal of Lepidoptera --- "A brilliant book collection . . . each volume is a colourful, fact-filled introduction to the animals, insects, plants and habitats that makes watching wildlife so fascinating."---Stuart Winter, Sunday Express