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,
Poirot Investigates Hercule Poirot to the literary world. "The Disappearance of Mr. Davenheim" was presented on television as a thirty-minute play by CBS as an episode in the series "General Electric Theater" on 1 April 1962 under the title of "Hercule Poirot". Introduced by Ronald Reagan and directed by John Brahm, the adaptation starred Martin Gabel as Poirot. The program was done as a pilot for a series that did not happen; instead it was the debut of the character on English-language television. An earlier program starring José Ferrer as Hercule Poirot had been filmed by MGM but never aired and in