Book of the Week: 'The Spy and the Traitor'

Fiametta Rocco, Five Books: 'It's the story of Oleg Gordievsky, who was probably the most important British spy in Soviet Russia since the Second World War. He was the only spy we ever had that we managed to get out of Russia and bring back to Britain alive. He's an extremely intelligent man with a prodigious memory, who worked at a very senior level and