The undisputed master returns with a riveting new book--his first Smiley novel in more than twenty-five years. Peter Guillam, staunch colleague and disciple of George Smiley of the British Secret Service, otherwise known as the Circus, is living out his old age on the family farmstead on the south coast of Brittany when a letter from his old Service summons him to London. The reason? His Cold War past has come back to claim him. Intelligence operations...

At the height of the Cold War, a precarious operation goes deadly wrong, and the head of British Intelligence wonders if a double agent is leaking vital secrets. Brought out of retirement to expose the potential mole, master spy George Smiley is the only one who can be trusted to expose one of their own. Or can he? As the emotional and physical tolls mount on the high-ranking suspects, Smiley will be forced into the ultimate international spy game...

German intelligence agent Gunther Bachmann (Philip Seymour Hoffman, in his final starring role) must race against time to solve a perilous mystery: Is the half-Chechen, half-Russian Muslim who's surfaced in Hamburg a victim seeking refuge, or a terrorist seeking revenge?