RSPB Garden Birdwatcher's Puzzle Book: Over 150 questions, brainteasers and curious conundrums about the birds in your garden
Birds in Your Garden (Rhs) By The Royal Horticultural Society
Bird-Friendly Gardening: Guidance and Projects for Supporting Birds in Your Landscape
The Complete Garden Bird Book: How to Identify and Attract Birds to Your Garden
How to Attract Birds to Your Garden: Foods they like, plants they love, shelter they need
