Pacific Coast Tree Finder: A Pocket Manual for Identifying Pacific Coast Trees (Finders)
The California Naturalist Handbook
Northern California Nature Guide
California Nature Set: Field Guides to Wildlife, Birds, Trees & Wildflowers of California
The California Field Atlas
Ecology: Global Insights and Investigations
Birds of California Field Guide (Bird Identification Guides)
Valley of the Moon: the Diary of María Rosalia de Milagros
National Audubon Society Field Guide to North American Trees--W: Western Region (National Audubon Society Field Guides)