The Little Book of Dinosaurs

My Beloved Brontosaurus: On the Road with Old Bones, New Science, and Our Favorite Dinosaurs

Rocks, Gems, and Minerals

Field Guide to Rocks & Minerals of Southern Africa

The Natural History Book: The Ultimate Visual Guide to Everything on Earth

Dirt: The Ecstatic Skin of the Earth

Rocks and Minerals

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

Geological Structures: An Introductory Field Guide

Fossil Record 6 Volume 1

Igneous Petrology

Rockhounding Arizona: A Guide To 75 Of The State's Best Rockhounding Sites, Edition 2