| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1995 | 978-0-945005-00-1 | John Sinkankas | Field Collecting Gemstones and Minerals |
| 1994 | 978-0-945005-09-4 | Joel E. Arem | Gems and Jewelry: All Color Guide |
| '' | 978-0-945005-12-4 | Tom Simkin · Lee Siebert | Volcanoes of the World: A Regional Directory, Gazetteer, and Chronology of Volcanism During the Last 10,000 Years |
| '' | 978-0-945005-13-1 | Manuel Robbins | Fluorescence: Gems and Minerals Under Ultraviolet Light |
| '' | 978-0-945005-15-5 | Gene L. LaBerge | Geology of the Lake Superior Region |
| '' | 978-0-945005-16-2 | Anna M. Miller · John Sinkankas | Standard Catalog of Gem Values |
| 1996 | 978-0-945005-23-0 | Lief Brost · Ake Dahlstrom | The Amber Book: Ake Dahlstrom and Leif Brost |
| 1997 | 978-0-945005-25-4 | Neil L. Larson · Steven D. Jorgensen · R. A. Farrar · Peter L. Larson · Neal L Larson · Steven D Jorgensen · Robert A Farrar · Peter Larson | Ammonites and the Other Cephalopods of the Pierre Seaway: Identification Guide |
| 2002 | 978-0-945005-30-8 | Rudolf Duda · Lubos Rejl | World of Gemstones |