GEM STONES Author:CAROLINE HALL Eyewitness Handbook — Gem Stones — Anew generation of field guides, the eyewitness handbooks make identification of individual specimen sure, simple, and straightforward. Each volume includes hundreds of superb photographs combined with concise informative descriptions of over 100 specimens. the eyewitness handbook of Gemstones is packed with mo... more »re than 800 vivid full-color photographs. It is and invaluable resource of every enthusiats.« less