SCIENCE
Downs, Sandra

Earth's Hidden Treasures

(4) 4-6 Exploring Planet Earth series. Downs provides detailed description of mineral identification, structure, formation, and uses by people through history. Even more factual information is included in boxes unnecessarily separated from the main text. The color photographs of minerals are helpful but few in number. The book also contains lists of websites and places to visit. Bib., glos., ind.

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