• Trail Guide to Western Birds. Two flavors: Peterson or American Bird Conservancy
• An Illustrated Field Key to the Flowering Plants of Monterey County (and Ferns, Fern Allies, and Conifers).  Mary Ann Matthews.  1997. California Native Plant Society. ISBN 0-943460-32-8
• The Redrock Canyon Explorer. Irene Brady
• Mojave Desert Wildflowers. 1998. Pam MacKay. Falcon Guides. ISBN 0-7627-1162-0