Blown -- a novel by
Phillip Jose Farmer, sequel to
Image Of The Beast.
Science Fiction/
Porn, the story of
ghosts and
vampires who are actually
aliens stranded on Earth, requiring a Pilot to operate their sex-fueled space travel mechanism. Features
Gilles de Rais as the head of a snake that lives inside another character's vagina -- pull the snake, she falls apart into self-motivated component parts, organs with feet.
Considered by many to be a prequel to
Traitor To The Living.