books by subject
Birds

Birds (Go Facts)

My Penguin Year: Living with the Emperors - A Journey of Discovery

The Domestic Duck

RSPB New Birdfeeders Handbook

British Birds Handbook (The Wildlife Trust): 224 Page Identification Book Packed with Interesting Statistics and Facts (British Handbooks)

A Field Guide in Colour to Marshlands and Freshwater Birds, Eggs and Nests

Western Birds (Peterson Field Guides)

Understanding Owls: Biology, Management, Breeding, Training

Bird Sounds and Their Meanings

Go Birding

Zoom! The Invisible World of Plants

A Photographic Guide to Birds of Britain and Europe

Where to Watch Birds in Britain and Europe

Birds (Usborne Sticker Books)

Pocket Guide to the Birds of the Indian Subcontinent

The Running Sky: A Birdwatching Life

A Colour Guide To Familiar Woodland And Hill Birds, Eggs And Nests

RSPB Handbook of Scottish Birds

Raptor: A Journey Through Birds

The New Where to Watch Birds

Why Birds Sing: One Man's Quest to Solve an Everyday Mystery

The Peregrine: The Hill of Summer & Diaries

Bird Watcher's A-Z

Bill Oddie's Gripping Yarns: Tales of Birds and Birding (Miscellaneous)

RSPB Guide to Watching British Birds

Bill Oddie's Little Black Bird Book

Collins Bird Guide: The Most Complete Guide to the Birds of Britain and Europe

Penguins

Remarkable Birds
