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,
Hercule Poirot trains. Inspector Japp offers some insight into Poirot's career with the Belgian police when introducing him to a colleague: You've heard me speak of Mr Poirot? It was in 1904 he and I worked together – the Abercrombie forgery case – you remember he was run down in Brussels. Ah, those were the days Moosier. Then, do you remember "Baron" Altara? There was a pretty rogue for you! He eluded the clutches of half the police in Europe. But we nailed him in Antwerp – thanks to Mr. Poirot here. In "The Double Clue," Poirot mentions that he was Chief