Spy sinker

"Bernard Samson's wife, Fiona, has just been chosen by the British Secret Service to be their top agent in East Germany, set to undermine the German economy. When she embarks on a desperate, violent, unparalleled mission of worldwide importance, it's clear that there is only one way she can succeed. She is on the brink of betraying Samson, to whom she has always been a mystery: wife, mother, traitor, patriot, double agent. In the third novel in the Hook, Line, Sinker trilogy, Len Deighton brings the brilliant superspy Fiona Samson to center stage"--