Agatha Christie her service in September 1918. After the war, Agatha and Archie Christie settled in a flat at 5 Northwick Terrace in St. John's Wood, northwest London. Christie had long been a fan of detective novels, having enjoyed Wilkie Collins's "The Woman in White" and "The Moonstone", as well as Sir Arthur Conan Doyle's early Sherlock Holmes stories. She wrote her own detective novel, "The Mysterious Affair at Styles", featuring Hercule Poirot, a former Belgian police officer noted for his twirly large "magnificent moustaches" and egg-shaped head. Poirot had taken refuge in Britain after Germany invaded Belgium. Christie's inspiration for the
Hercule Poirot appears to be no reference to this in Christie's writings, but the town of Ellezelles cherishes a copy of Poirot's birth certificate in a local memorial 'attesting' Poirot's birth, naming his father and mother as Jules-Louis Poirot and Godelieve Poirot. Christie wrote that Poirot is a Catholic by birth, but not much is described about his later religious convictions, except sporadic references to his "going to church". Christie provides little information regarding Poirot's childhood, only mentioning in "Three Act Tragedy" that he comes from a large family with little wealth, and has at least one younger sister. Apart from French