- What a diety is (AD&D)
- How the Numbers game works (Gangbusters)
- How to fix the Numbers game (Gangbusters)
- French Roulette uses 0 instead of 00 (James Bond 007)
- Differences between various pole-arms (AD&D)
- How to pronounce 'Scenario'
- The format of medieval jousts (King Arthur Pendragon)
- Various parasites in Africa and their effects (Dark Continenent)
- Medieval metaphysics (Ars Magica)
- Japanese ritual suicide is called Seppuku (not Hari-Kari) and consists of 3 cuts (Bushido)
:-)