Identification guide

Identification of Fungi: An Illustrated Introduction with Keys, Glossary, and Guide to Literature
Frank M. Dugan
APS Press 2006 more details

Seabirds - 2nd ed
Peter Harrison
A&C Black 1991 more details

Swifts
Phil Chantler
A&C Black 2000 more details

Terns of Europe and North America
Hans Larsson, Klaus Malling Olsen
A&C Black 1995 more details

Thrushes
Clive Byers, Peter Clement, Ren Hathway, Jan Wilczur
A&C Black 2000 more details

Tracks and Signs of the Birds of Britain and Europe
Roy Brown, John Ferguson, Michael Lawrence, David Lees
A&C Black 2003 more details

Wrens, Dippers and Thrashers
David Brewer, Barry Kent MacKay
A&C Black 2001 more details