Spy Hook is a 1988 spy novel by Len Deighton. It is the first novel in the second of three trilogies about Bernard Samson, a middle-aged and somewhat jaded intelligence officer working for the British Secret Intelligence Service (MI6). Spy Hook is part of the Hook, Line and Sinker trilogy, being succeeded by Spy Line and Spy Sinker. This trilogy is preceded by the Game, Set and Match trilogy and followed by the final Faith, Hope and Charity trilogy. Deighton's novel Winter (1987) is a prequel to the nine novels, covering the years 1900-1945 and providing the backstory to some of the characters.