Audubon Society Guide to Rocks and Minerals

Photographs organized visually by their subjects color with thumb tab index makes identification quick and easy. Twice as many descriptions and color plates as any other guide. 850 pages,

$19.95

A Golden Guide to Rocks, Gems and Minerals
Fully revised, and easy-to-use guide to the most common kinds of rocks and minerals with fascination information. 160 pages,

$6.95

Audubon Society Guide to Fossils
Photographs organized visually by their subjects color with thumb tab index makes identification quick and easy. Twice as many descriptions and color plates as any other guide. 850 pages,

$19.95