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: BROOKLYN IS BOOKLAND 
Clue: In a book by this author, "The Assistant" works in a Brooklyn grocery store
bernard malamud

Category: IT TAKES A THIEF 
Clue: English novelist Ernest Hornung created this “gentleman cracksman”
raffles

Category: GOING "GREEN" 
Clue: A retailer of fresh vegetables & fruits in England

a greengrocer