The man he knew as "Control" is dead, and the young Turks who forced him out now run the Circus. But George Smiley isn't quite ready for retirement - especially when a pretty, would-be defector surfaces with a shocking accusation: a Soviet mole has penetrated the highest level of British Intelligence. Relying only on his wits and a small, loyal cadre, Smiley recognises the hand of Karla - his Moscow Centre nemesis - and sets a trap to catch the traitor....

Bernard has known that he is not getting the full picture from London Central ever since discovering that his wife Fiona was a double agent. Werner Volkmann has been cast out by London Central as untrustworthy. Yet Werner still seems able to pick up information that Bernard should have been told.

Bernard Samson is surrounded by puzzles and none more complex than Fiona, his wife and the mother of his children. But as a mystery, she is by no means alone. Can a man love two women at the same time? Can a man serve two masters?

Treachery begins at home Back in London after a gruelling operation in Paris, Liz Carlyle has been posted to MI5's counter-espionage desk. Her bosses hope the new position will give her some breathing space, but they haven't counted on the fallout from Putin's incursions into the Ukraine. Discovering that an elusive Russian spy has entered the UK, Liz needs to track him down before he completes his fatal mission - and plunges Britain back into the...