A to Z of Rocks, Minerals, and Gems - Claudia Martin

Martin, Claudia: - Claudia Martin is the author of numerous books for adults and young people, on subjects from rocks and crystals to awe-inspiring travel destinations. Her recent books include The Crystal Sourcebook , Rock Explorer: Gems , and Children's Encyclopedia of Rocks and Fossils , and she was co-contributor to The Self-Care Bible . She lives in London, UK.