Just finished DG: Tales from failed anatomies; currently re-reading Hobgoblin by John Coyne. There's a lot more sexual situations than I somehow don't remember reading when I first read this book(back in 1982 or '83!).
The book that got me into Roleplaying Games- after reading this book, I attempted to create my own RPG based on the titular game within the novel. My best friend was like "Hey, that's cool, we should take some ideas from this AD&D book my sister bought me."
And here I am, still playing RPGs.
Edit: And now that I've finished Hobgoblin(again), I can't recommend it as a good read.