My master spy

Set before the second world war it tells the tale of Captain Clive Granville of the 15th Lancers and how he was persuaded to leave his finacee Joan and go to Belgium and Germany to act as a spy under the alias of Alberic von Schultz. Whilst there he met Baroness Galie Fhel who unfortunately for him is working for the Germans and quite early on in his disguise she is informed as to his true identity. The Baroness unfortunately for Clive is an old schoolfriend of his fiancée Joan and persuades Joan and her father to visit her in Germany. The Germans need to break a code book and believe the they can use Captain Granville to do so. Much fascinating double dealing and espionage makes for a thrilling story