Audubon Rocks & Minerals
By: National Audubon Society This first all-photographic field guide features 794 full-color images of all the important rocks, gems, and minerals of North America, showing their many variations of color and crystal form. The text provides descriptions of 200 minerals...
The Rock and Gem Book
By: Dan Green What is the difference between a rock and a gem? What makes the Hope Diamond so special? Why are some minerals fluorescent? Dig deep to find the answers in The Rock and Gem Book. Filled with over...
Sibley Birds West
Compact and comprehensive, this guide features 715 bird species, plus regional populations, found west of the Rocky Mountains. Entries include stunningly accurate illustrations--more than 5,046 in total--with descriptive captions pointing out the most important field marks. Each entry has been...
Peterson Field Guide Rocks and Minerals
By: Frederick H. Pough The definitive guide to rocks and minerals, completely updated for the fifth edition, includes 385 color photographs showing rocks, minerals, and geologic formations. Hundreds of minerals are described, with details such as geographic distribution, physical properties,...
Firefly Guide to Gems
By: Cally Oldershaw A fascinating, richly illustrated guide to the identification and use of gemstones. The introduction describes the geology, chemistry and properties of gems in clear and accessible terms, and also provides a valuable color key. The main section...
Audubon Field Guide to Fossils
By: National Audubon Society A detailed field guide to make fossil identification easy! This first all-photographic field guide to fossils features 474 full-color identification pictures of fossilized sponges, corals, trilobites, shells, teeth, and bones. Also included are 33 photographs of...