DescriptionFull-color photos. The beauty and importance of minerals, metals, crystals,
fossils, and gemstones are shown in page after page of vivid photos. "Most of
the text is in captions for the profuse and excellent color illustrations.
Accurate, authoritative, and clear."-- "Bulletin, Center for Children's
Books." "Both a student and browser/hobbyist's delight."-- "Booklist.