Arizona Rocks & Minerals: A Field Guide to the Grand Canyon State (Rocks & Minerals Identification Guides)

The Illustrated Guide to Fossils & Fossil Collecting: A Reference Guide to Over 375 Plant and Animal Fossils from Around the Globe and How to Identify Them, with Over 950 Photographs and Artworks

Simon & Schuster's Guide to Rocks & Minerals

Rockhounding for Beginners: Your Comprehensive Guide to Finding and Collecting Precious Minerals, Gems, Geodes, & More

Gem Trails of Northern California

Gem Trails of Arizona

Basin and Range (Annals of the Former World, 1)

The Firefly Guide to Minerals, Rocks and Gems

Rocks, Minerals, and Geology of the Pacific Northwest (A Timber Press Field Guide)

Rockhounding Northern California: A Guide to the Region's Best Rockhounding Sites (Rockhounding Series)