Hummingbirds
From Amazon
Hummingbirds: A Folding Pocket Guide to Familiar Species (Wildlife and Nature Identification) Hummingbirds: A Folding Pocket Guide to Familiar Species (Wildlife and Nature Identification) – Used Book in Good Condition. View on Amazon
Hummingbirds of North America: Attracting, Feeding, and Photographing – Used Book in Good Condition. View on Amazon
North American Hummingbirds: An Identification Guide – Univ of New Mexico Pr. View on Amazon
From Amazon
The Hummingbird Book: The Complete Guide to Attracting, Identifying, and Enjoying Hummingbirds The Hummingbird Book: The Complete Guide to Attracting, Identifying, and Enjoying Hummingbirds – First Edition, 1989. Glossy Paperback.; Donald & Lillian Stokes, Authors.; Little, Brown and Company, Publishers.; Color illustrations. Hummingbirds.. View on Amazon
Sibley Birds West: Field Guide to Birds of Western North America – Sibley Birds West Field Guide to Birds of Western North America. View on Amazon
From Amazon
Hummingbirds 
The Secret Lives of Hummingbirds – Used Book in Good Condition. View on Amazon
Hummingbirds: A Life-size Guide to Every Species – Harper Design. View on Amazon
Stokes Beginner's Guide to Hummingbirds – Little Brown and Company. View on Amazon