Arizona is known the world over for the abundance and variety of its geological treasures. In a landscape as diverse as the minerals themselves, this rich trove of gemstones can be found in sites ranging from arid desert to pine-covered peaks.

Newly revised, the fourth edition of this best-selling guide contains the latest updates on the familiar sites, and features twenty new locations for collecting rocks, minerals, crystals and fossils.

Highlights of this new edition

Detailed text describing where to go and what to look for at each site. Maps for each site pinpointing the best supplies of specimens Photographs depicting the collecting areas. A new glossary to help you identify your finds

A full- color photographic portfolio of spectacular Arizona gems

Filled with expert advice based on years of experience. Gem Trails of Arizona is an indispensable handbook for the rockhound who is just starting to explore the wealth of this colorful state. The seasoned collector too will find this an invaluable reference.

More than 90 Collection sites. 272 pages (January 2010)