book by Len Deighton
Spy Sinker is a 1990 spy novel by Len Deighton. It is the final 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 Sinker is part of the Hook, Line and Sinker trilogy, being preceded by Spy Hook and Spy Line. 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.
Read more or edit on Wikipedia