The Lost Caverns of Tsojconth – Gary Gygax’s first ever published D&D module

Although Palace of the Vampire Queen can claim to be the first published D&D module (not counting Blackmoor, which is more of a scenario), Lost Caverns of Tsojconth is the first published D&D module written by someone from TSR, i.e. Gygax. It wasn’t actually published by TSR though – it was published by MDG (Metro …