This must-have guide for Michigan, Minnesota, Wisconsin, and Ontario features full-color photographs and information to help readers identify rocks and minerals

Get the field guide by rock expert Bob Lynch and his son Dan. This handy book features photos that depict the detail needed for identification and the informati

Get this must-have guide for Michigan, featuring full-color photographs and information to help you identify rocks and minerals. Identify and collect rocks and

This updated field guide, organized by area, features full-color photographs and information to help readers easily identify the region's rocks and minerals.

The definitive book on Lake Superior's agates is here. If you're a casual rock collector, you will find Agates of Lake Superior fun, interesting and beautiful.