Turn down the lights, put on the Barry White, and bust out the 20 sided die. It’s the Advanced Dungeons & Dragons guide to sex!
Because let’s face it: How many times have you thought: Well, my DM has me stuck in this inn for a fortnight. I might as well get it on with a bar wench. Who rolls for initiative?
Update: Colonel Dashing says: Sadly, there is an actual professionally published D&D supplement called the â€œBook of Erotic Fantasyâ€. Look that one up, if you dare.
Alphamonkey adds: There’s also a GURPs style manual to the intimate arts ala Naughty & Dice