Title: Rock and Gem, Author: DK
Title: Rocks & Minerals, Author: Chris Pellant
Title: Ultimate Explorer Field Guide: Rocks and Minerals, Author: Nancy Honovich
Title: Whats that Rock or Mineral: A Beginner's Guide, Author: DK
Title: Guide to Gems: Illustrated Guide to the Identification, Properties and Use of Gemstones, Author: Cally Oldershaw
Title: Colorado Rockhounding: A Guide to Minerals, Gemstones, and Fossils, Author: Stephen M. Voynick
Title: Simon & Schuster's Guide to Rocks and Minerals, Author: Simon & Schuster