Christopher Helm Publishers Ltd

Field Guide to the Birds of East Africa (Helm Field Guides)

By Fanshawe, John, Stevenson, Terry, Small, Brian, Gale, John, Arlott, Norman

Field Guide to the Wildlife of New Zealand (Field Guides)

By Julian Fitter

RSPB Handbook of Scottish Birds

By Peter Holden, Stuart Housden

RSPB Guide to Birdwatching: A Step-by-step Approach (Rspb)

By Mike Unwin