George Smiley is no one's idea of a spy—which is perhaps why he's such a natural. But Smiley apparently made a mistake. After a routine security interview, he concluded that the affable Samuel Fennan had nothing to hide. Why, then, did the man from the Foreign Office shoot himself in the head only hours later? Or did he? Amazon

A veteran spy wants to "come in from the cold" to retirement. He undertakes one last assignment in which he pretends defection and provides the enemy with sufficient evidence to label their leader a double agent.

Some say George Smiley is in innocent retirement. Others say he was sacked after the Czech scandal. But all agree that nobody ever leaves the 'Circus' without some unfinished business. Brought out of retirement to trace an enemy infiltrator in the department where he was once the prize employee, the shy and retiring master of espionage moves forwards to investigate and finds himself going backwards over very old ground ...

Paris, London, Germany, and Switzerland are the settings for a tale of espionage in which a final, conclusive confrontation takes place between George Smiley and his Russian adversary, Karla.

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 that were once the toast of secret London, and involved such characters as Alec Leamas, Jim Prideaux, George...