You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: BLACK IS BACK 
Clue: The "Black Spot" is a dreaded summons handed out by pirates in this 1883 Robert Louis Stevenson tale
treasure island

Category: PLACES OF INCARCERATION 
Clue: "Shark Island" Prison is part of Dry Tortugas National Park in the extreme southwest of this state
florida

Category: NOVEL TITLES 
Clue: Al Manheim wonders this about an eager kid named Glick

what makes sammy run?