With this superb, now classic novel of suspense, le Carre changed the rules of the game. His story is of one last breathlessly perilous assignment for the agent who wants desperately to end his career of espionage - to come in from the cold. ...
'Superbly constructed, with an atmosphere of chilly hell' J.B. Priestley
Not exactly my type of thing, but it was worth trying: a perfectly built web of intrigue, that keeps the reader in a constant state of anxiety, along the twisting evolutions of a great and astonishing plot.