"Completely revised and expanded, this fourth edition covers the 992 minerals found in Arizona, showcased with breathtaking new color photographs throughout the book. The new edition includes more than 200 new species not reported in the 3rd edition and previously unknown in Arizona"--

"This volume gives you the basic tools to transition from "pebble pup" to expert rockhound and explains everything from geology basics, identification tips, tools of the trade, how to record your findings, and how to set up a lab or gem shop. Before you know it, you'll be driving the open roads and traveling home with dusty pockets full of rocks, gems, minerals, fossils--and maybe even gold." --Amazon.com.