Rob Reiner adapted directed and co-produced what comedy fantasy adventure that was named after what novel by William Goldman?
The Princess Bride (film):  Adapted by William Goldman from his 1973 novel of the same name, it tells the story of a farmhand named Westley, accompanied by befriended companions along the way, who must rescue his true love Princess Buttercup from the odious Prince Humperdinck. Rob Reiner:  He also directed the psychological horror-thriller "Misery" (1990), the romantic comedy fantasy adventure "The Princess Bride" (1987) and the heavy metal mockumentary "This Is Spinal Tap" (1984).
The Princess Bride