National Geographic Pocket Guide to Rocks and Minerals of North America (Pocket Guides)

Gemstones of the World: Newly Revised Fifth Edition

Michigan Rocks & Minerals: A Field Guide to the Great Lake State (Rocks & Minerals Identification Guides)

Collecting Rocks, Gems and Minerals: Identification, Values and Lapidary Uses

Rocks & Minerals of Wisconsin, Illinois & Iowa: A Field Guide to the Badger, Prairie & Hawkeye States (Rocks & Minerals Identification Guides)

The Fastest Dinosaurs (Meet the Dinosaurs)

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

The Minerals Encyclopedia: 700 Minerals, Gems and Rocks

Nature Guide: Rocks and Minerals: The World in Your Hands (DK Nature Guides)

Rocks & Minerals of the Pacific Coast: Your Way to Easily Identify Rocks & Minerals (Adventure Quick Guides)