British agent George Smiley hunts for a mole in the Secret Service and begins his epic game of international chess with his Soviet counterpart, an agent named Karla.

In the second part of John le Carré's Karla Trilogy, the battle of wits between spymaster George Smiley and his Russian adversary takes on an even more dangerous dimension.
As the fall of Saigon looms, master spy George Smiley must outmaneuver his Soviet counterpart on a battlefield that neither can afford to lose.
 
The mole has been eliminated, but the damage wrought has brought the British Secret Service to...

From the New York Times bestselling author of A Legacy of Spies. 

"Fielding and Jebedee were dead, Steed-Asprey vanished. Smiley—where was he?"
John le Carré's second novel, A Murder of Quality, offers an exquisite, satirical look at an elite private school as it chronicles the early development of George Smiley.

Miss Ailsa Brimley is in a quandary. She's received a peculiar letter

...

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...

From the New York Times bestselling author of A Legacy of Spies. 
"You are either good or bad, and both are dangerous."
It would have been an easy job for the Circus: a can of film couriered from Helsinki to London. In the past the Circus handled all things political, while the Department dealt with matters military. But the Department has been moribund since the War, its resources siphoned away. Now, one of...

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 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...