7 books
The Caverns of Thracia (5E) Minotaur Hide Cover
The Caverns of Thracia (DCC RPG) Minotaur Hide Cover
OAR 9.5: Hellpits of NightFang (5E)
Fifth Edition Fantasy #28: Hellpits of Nightfang (5E)
Hellpits of Nightfang (DCC)
Original Adventures Reincarnated #9: Caverns of Thracia (5E)
Caverns of Thracia (DCC)