David Alderton

• Encyclopedia of aquarium & pond fish
• Complete Practical Guide to Pet and Aviary Birds
• Encyclopedia of Geology
• The Complete Illustrated Encyclopedia of Birds of the World
• The Encyclopedia of Animals
• Understanding Your Dog
• Encyclopedia of Animals
• 101 essential tips: caring for your pet bird
• A birdkeeper's guide to parakeets
• Animal Grief
• Aves de España y del mundo
• Aves de España y del mundo