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This book contains facts about collecting rocks that will inspire the reader to start his or her own collection. Readers will gain a working knowledge of this hobby which includes rock elements, like aluminum, iron, magnesium etc., how geologist classify rocks into igneous, sedimentary or metamorphic groups, the difference between minerals and rocks, the best places to find or buy rocks, how to break a geode, and how to organize, store and care for a rock collection. There is also a crafts section for the creative use of extra rocks. Full-color photographs, materials & techniques, tips & sidebar information, a glossary and an index are all included in this title.