The Little Book of Dinosaurs

Rocks, Gems, and Minerals

Rocks and Minerals

Field Guide to Rocks & Minerals of Southern Africa

Dirt: The Ecstatic Skin of the Earth

Handy Pocket Guide to Asian Gemstones

Blue: The Science and Secrets of Nature's Rarest Color

Drawing & Understanding Fossils: A Theoretical and Practical Guide for Beginners with Self-assessment

Rockhounding Idaho: A Guide to 99 of the State’s Best Rockhounding Sites

The Lost World of Fossil Lake: Snapshots from Deep Time

Gaining Ground: The Origin and Evolution of Tetrapods, Edition 2

Modern Rockhounding and Prospecting Handbook

Ancient Gems and Finger Rings: Catalogue of the Collection

Time Traveler: In Search of Dinosaurs and Other Fossils from Montana to Mongolia

Rockhounding Utah: A Guide to the State's Best Rockhounding Sites, Edition 2

Gemmology

Crystals, Rocks, and Gemstones: Exploring Earth's Treasures