How about turning a John Grisham novel into an Ace Attorney clone?
http://objection.mrdictionary.net/go.php?n=5709997
As for Stephen King, this one is rare but pretty well known:
http://www.mobygames.com/game/dos/lawnmower-man
If you have a PAL Sega CD copy of that game, send me a PM.
EDIT: I would like to see someone make a game around Thinner. It would probably be a timed adventure like 999 where your protagonist is gradually losing weight and you'll have to find a way to undo a gypsy curse before you disappear completely. Plus, I enjoyed how deliciously horrible everyone is in that novel.