Hercule Poirot sort of obsessive-compulsive" in Poirot. As mentioned in "Curtain" and "The Clocks", he is fond of classical music, particularly Mozart and Bach. In "The Mysterious Affair at Styles", Poirot operates as a fairly conventional, clue-based and logical detective; reflected in his vocabulary by two common phrases: his use of "the little grey cells" and "order and method". Hastings is irritated by the fact that Poirot sometimes conceals important details of his plans, as in "The Big Four". In this novel, Hastings is kept in the dark throughout the climax. This aspect of Poirot is less evident in the later novels,
Death on the Nile characters are very similar. The book features the Belgian detective Hercule Poirot. The action takes place in Egypt, mostly on the Nile River. While on holiday in Cairo, Hercule Poirot is approached by successful socialite Linnet Doyle. She requests his help in deterring her friend Jacqueline de Bellefort from hounding and stalking her. Linnet had recently married her friend's fiancé, Simon Doyle, which has made Jacqueline bitterly resentful of her. Poirot refuses the request, but attempts unsuccessfully to dissuade Jacqueline from pursuing her plans further. Simon and Linnet secretly board the steamer "Karnak", set to tour along the Nile, to