Nature

Nature Guide: Rocks and Minerals - (DK Nature Guides) by DK (Paperback)

Arizona Rocks & Minerals - (Rocks & Minerals Identification Guides) by Bob Lynch & Dan R Lynch (Paperback)

New York Rocks & Minerals - (Rocks & Minerals Identification Guides) by Dan R Lynch & Bob Lynch (Paperback)

Agate Hunting on the Oregon Coast - by M J Grover (Paperback)

Rocks and Minerals - (Illustrated Field Guides) by Evelyn Mervine (Paperback)

Collecting Fluorescent Minerals - 2nd Edition by Stuart Schneider (Paperback)

Lake Superior Agates Field Guide - (Rocks & Minerals Identification Guides) by Dan R Lynch & Bob Lynch (Paperback)

Is This an Agate? - by Susan Robinson (Paperback)

Agate Hunting on the Washington Coast - by M J Grover (Paperback)

Petoskey Stone - by Dan R Lynch (Paperback)

The Wonder of North American Agates - by Dan R Lynch & Bob Lynch (Paperback)

Rocks & Minerals of Washington and Oregon - (Rocks & Minerals Identification Guides) by Dan R Lynch & Bob Lynch (Paperback)

Sedimentary Rocks in the Field - (Geological Field Guide) 4th Edition by Maurice E Tucker (Paperback)

Rockhounding for Beginners - by Lars W Johnson & Stephen M Voynick (Paperback)

Agate Hunting Made Easy - by Jim Magnuson (Paperback)

From Rough Stones to Wow - 2nd Edition by Jim Magnuson (Paperback)

Field Collecting Gemstones and Minerals - by John Sinkankas (Paperback)

Rocks - by Vojta Hybl (Hardcover)

Rockhounding & Prospecting: Upper Midwest - by Jim Magnuson (Paperback)

The Pebbles on the Beach - by Clarence Ellis (Paperback)

Boom, Bust, Boom - by Bill Carter (Paperback)

Rocks and Minerals - (Princeton Field Guides) by Chris Pellant & Helen Pellant (Paperback)

Agate Hunting Made Easy - 2nd Edition by Jim Magnuson (Paperback)

Colorado Rocks & Minerals - (Rocks & Minerals Identification Guides) by Dan R Lynch & Bob Lynch (Paperback)