Book of Crypts (RR2), Ravenloft sourcebook for AD&D 2nd/2.5th ed.
“Enter the world of the unknown – the land of dark mysteries, the realm of inexplicable terror. Adventure in a land where nothing is as it seems, where the innocent are evil in disguise. And watch your back – no one can be trusted in Ravenloft! Book of Crypts is 96 pages of the finest in twisted horror. Nine short adventures await you, promising new, hideous villains and spine-chilling stories of dark minds and lost souls. Be warned – these tales are not for the weak of heart!”