of exciting discoveries await budding paleontologists and geologists in this informative picture book. Large and detailed full-color spreads, complemented by clear, concise text unearth the mysteries of the ground beneath our feet. Children will learn how rocks, crystals, minerals, and fossils are formed, where they are found, and how they are used. Step-by-step illustrations and captions explore such processes as the fossilization of ancient animals and plants, together with the work of the scientists who catalog and preserve them. Includes an illustrated glossary and an index to sharpen the young reader's reference skills.

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