Explores the Cambridgeshire country house at the centre of a secret mission to stop Hitler's A-Bomb.

Colin Brown is the former Deputy Political Editor of the Independent and Political Editor of the Sunday Telegraph and the Independent on Sunday. He worked for thirty years as a lobby journalist at Westminster and is the author of seven books, including Whitehall: The Street That Shaped a Nation (Simon and Schuster) and for Amberley, 'Operation Big' and 'Lady M'.