George Smiley is one of the most brilliantly realised characters in British fiction. Bespectacled, tubby, eternally middle-aged and deceptively ordinary, he has a mind like a steel trap and is said to possess 'the cunning of Satan and the conscience of a virgin'. Smiley, now head of the Circus, must rebuild trust in the shattered organisation. He is also determined to destroy his nemesis, Karla, and his spy networks. He recruits Jerry Westerby, occasional spy, occasional...