8Pack up your gear and get ready to go on a dig. Whether it's iron ore, dazzling gemstones, or a prehistoric creature preserved in amber, exciting discoveries await budding paleontologists and geologists in this informative book. Large and detailed full-color spreads, complemented by clear, concise text unearth the mysteries of rocks, crystals, minerals, and fossils--how they are formed, where they are found, and how they are used. Includes an illustrated glossary and an index to sharpen the young reader's reference skills.