I have a problem: I’m trying to find a ghost story I vaguely recall reading years ago, but I can’t remember the title or author.  All I can remember is that it’s a short story about a monk who reads a book of forbidden lore and summons ghosts or monsters.

Yeah, I realize that’s a pretty nebulous description–probably fits a lot of stories. But if any of my readers know what story I’m alluding to, I’d like to know. It’s been annoying me.