books by subject
Birdwatching

The Wonderful Mr Willughby: The First True Ornithologist

Collins British Wildlife

Birds

Why do Kestrels Hover?

Enjoying Ornithology

National Audubon Society Field Guide to the Night Sky

Teach Yourself Bird Watching: The classic guide to ornithology

The Oak Tree

Bird Ecology and Conservation: A Handbook of Techniques

Birdsong in a Time of Silence

Birds

Birdwatchingwatching: One Year, Two Men, Three Rules, Ten Thousand Birds

Bill Oddie's Introduction to Birdwatching

Modoc: The True Story of the Greatest Elephant That Ever Lived

Macmillan Field Guide to Bird Identification

Birds of the British Isles and Their Eggs

In the Countryside

RSPB Pocket Guide to British Birds: Second edition

RSPB Pocket Guide to British Birds: Second edition
