The Innocent by Ian McEwan

A psychological thriller set in Berlin during the Cold War, based on an actual (but little known) incident which tells of the secret tunnel under the Soviet sector which the British and Americans built in 1954 to gain access to the Russians' communication system.

The First Casualty by Ben Elton

Ben Elton's tenth novel is a gut-wrenching historical drama which explores some fundamental questions. What is murder? What is justice in the face of unimaginable daily slaughter? And where is the honour in saving a man from the gallows if he is only to be returned to die in a suicidal battle?