Eyewitness Explorers Rocks Minerals - Collins eyewitnss explorers Author:Steve Parker Part of the "Eyewitness Explorers" series, this book includes practical information for children aged 7 and above, with photographs and illustrations designed to help explain the concepts examined. This particular book is designed to help children watch and understand rocks and minerals, with projects and instructions, including what equipment c... more »hildren need to explore and investigate the wide world of rocks and minerals.« less