What It's Like to Be a Bird: From Flying to Nesting, Eating to Singing--What Birds Are Doing, and Why (Sibley Guides)
The Sibley Guide to Trees (Sibley Guides)
The Sibley Field Guide to Birds of Eastern North America: Second Edition (Sibley Guides)
The Sibley Guide to Birds, 2nd Edition (Sibley Guides)
Sibley Birds West: Field Guide to Birds of Western North America
The Sibley Birder's Life List and Field Diary (Sibley Birds)
The Birds of America
Sibley's Birding Basics: How to Identify Birds, Using the Clues in Feathers, Habitats, Behaviors, and Sounds (Sibley Guides)
Sibley Backyard Birding Bingo: A Game for Bird Lovers (Sibley Birds)
Sibley Backyard Birding Flashcards: 100 Common Birds of Eastern and Western North America (Sibley Birds)