- #14: Death by Rock, Part Two
- #13: Death by Rock, Part One
- #12: Geological Professions Throughout the Ages
- #11: Describing Geological Features, Part 2
- #10: Describing Geological Features, Part 1
- #9: Alchemy for both Reality- and Fantasy-Based Gaming
- #1: An Introduction to Geology
- #2: Primitive Mining
- #3: Where's the Gold?
- #4: Fuels and Energies
- Petroleum
- #5: Top Gems versus Paltry Finds
- #6: Minerals and Their Ancient Uses
- #7: Important Rocks and Minerals of the Modern Age
- #8: Spiritual and Superstitious Uses for Minerals, Stones, and Gems