Field Guide to Owls of California and the West - California Natural History Guides No. 93
Field Guide to the Birds of North America
Field Guide To The Common Bees of California
Field Guide To The Water's Edge
Gifts of the Crow
Guide to Birds of the Salton Sea
Handbook of California Birds
Handbook of Waterfowl Identification
Hawks in Flight - The Flight Identification of North American Raptors
How and Why Species Multiply - The Radiation of Darwin's Finches
How Animals Grieve
How Birds Migrate
Hummingbirds of the American West
Important Bird Areas of California
Insects of the Los Angeles Basin
Insects of the Southwest
Introduction to Birds of the Southern California Coast - California Natural History Guides No. 84
Introduction to California Beetles - California Natural History Guides No. 78
Introduction to California Birdlife
Introduction to Horned Lizards of North America - California Natural History Guides No. 64
Introduction to the California Condor - California Natural History Guides No. 81
Kaufman Field Guide to Advanced Birding - Understanding What You See and Hear
Kaufman Field Guide to Butterflies of North America