Perfect for mountain climbers, hikers, and geology enthusiasts, this valuable reference covers more rocks and minerals in North America than any other available guide. Featuring a durable vinyl binding and nearly 800 full-color identification photographs, the National Audubon Society Field Guide to Rocks and Minerals is the perfect companion for any expedition. This portable guide depicts all the important rocks, gems, and minerals -- in many variations of color and crystal form -- and the natural environments in which they occur, and includes written descriptions of field marks, similar rocks and minerals, environment, areas of occurrence, and derivation of names. Includes a guide to mineral collecting and a list of rock-forming minerals.

Bruce Mueller is the rock expert who brought you the very popular Complete Guide to Petoskey Stones. Bookstores all along Lake Michigan loved that book, but they also expressed many requests for a rock identification guide for Lake Michigan. Here it is. Mueller researched the entire shoreline of Lake Michigan to write this guide to Lake Michigan rocks. This is the perfect guidebook for any-one or any family who walks the beach and wonders, What is this?