John Le Carré

"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...

In a remote area of Northern Kenya, activist Tessa Quayle is found brutally murdered. Tessa's companion, a doctor, appears to have fled the scene, and all the evidence points to a crime of passion. Members of the British High Commission in Nairobi assume that Tessa's widower, their mild-mannered and unambitious colleague Justin Quayle, will leave the matter to them. Haunted by remorse and jarred by rumors of his late wife's infidelities, Quayle surprises...

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.

At the height of the Cold War, a former agent for the British Secret Intelligence Service is called back to root out a Russian spy who has infiltrated the organization's highest levels.