Gold Panning California is the premiere reference source for anyone who is interested in getting ...

Rocks, Gems, and Minerals of the Rocky Mountains is a field guide to more than 130 of the most co...

Little Learning Labs: Geology for Kids is a family-friendly guide to the wonders of geology, like...

Dig in and learn about the Earth under your feet. Geology Lab for Kids features 52 simple, inexpe...

Gold Panning Colorado is the premiere reference source for anyone who is interested in getting st...

A complete guide to finding, collecting, and preparing the state’s gems & mineralsRockhounding Id...

Cool Crystal Creations is a family-friendly guide that teaches readers of all ages about the wond...

Rocks, Gems, and Minerals is a field guide to more than 100 of the most common and sought-after r...

This volume gives you the basic tools to transition from 'pebble pup' to expert rockhound and exp...

Geology is destiny—understand it and life gets easier. Our ancestors grasped enough about their e...

Rocks, Gems, and Minerals of the Rocky Mountains is a field guide to more than 130 of the most co...

Rocking Out with Rocks is a family-friendly guide that teaches readers of all ages about the wond...