From the Publisher:
Into a shadowy, violent and intricate world steeped in moral ambivalences steps George Smiley, sometime acting Chief of the Circus, as the Secret Service is known. His brief is to bury crime, not to solve it, as he fights his own private battle from London to Paris and Hamburg.
John le Carré: Smiley's People. Hodder & Stoughton, ISBN: 0340559179 (October, 1994), 384 p., £6.99