Rockhounding in Minnesota (FULL-COLOR): A Guide to Geological Coordinates, Top Rock Sites, Mineral Collecting Hotspots, Fossil Hunting Locations, and Gemstone Discoveries Across the North Star State

The Ultimate Gemstone Guide: Mastering Identification, Grading, and Value: The Definitive Resource for Collectors, Investors, and Enthusiasts

Geology: A Beginner’s Guide (Science 101 Book 6)

Rockhounding in Michigan [FULL-COLOR]: An Essential Field Guide to Gem Hunting, Fossil Collecting, Mineral Sites, Lapidary Tips, and Outdoor Exploration Across the Great Lakes State

Seasonal Guide To Rockhounding In Montana (FULL-COLOR): An Ultimate Handbook for Amazing Sites to Find Quartz, Gemstones, Agates, Crystals, Fossils, Petrified Wood, and Minerals Year-Round

Rocks & Minerals of Washington and Oregon: A Field Guide to the Evergreen and Beaver States (Rocks & Minerals Identification Guides)

The Complete U.S. Rockhounding Guide: Learn How to Find, Identify, and Collect Rocks, Gems, Fossils, Crystals & Rare Minerals Like an Expert

ABC Amazing Book of Crystals: Fun Photos for Rock Lovers of All Ages

Rock Identification: A Compendium of Classifications (The Earth Science Series Book 2)