The Ultimate Unofficial Guide to D&D, Volume 1 - Original D&D and Basic D&D
rpgitem
RPGs have variable players and duration.
The Ultimate Unofficial Guide to D&D, Volume 2 - Mystara and Greyhawk
rpgitem
RPGs have variable players and duration.
The Ultimate Unofficial Guide To D&D, Volume 3 - AD&D 1st Edition
rpgitem
RPGs have variable players and duration.