She also wrote six romances under the name Mary Westmacott. The literary attempts and the First World War: 1910–1919.Styles manuscript was not accepted by such publishing companies started in the City financial sector at a relatively low salary, though they still employed a maid Christie married archaeologist Max Mallowan after joining him in an archaeological dig. Their marriage was always happy, continuing until Christie's death in 1976.Agatha Christie's first novel The Mysterious Affair at Styles was published in 1920 and introduced the long-running character detective Hercule Poirot, who appeared in 33 of Christie's novels and 54 short stories.Agatha Christie used to enthral her guests with night-time readings of her unfinished adept at creating games to keep herself occupied

1920The Mysterious Affair at StylesHercule Poirot Arthur Hastings, Inspector Japp

1922The Secret AdversaryTommy and Tuppence

1923The Murder on the LinksHercule Poirot Arthur Hastings, Monsieur Giraud

1924The Man in the Brown SuitColonel Race Anne Beddingfeld

1925The Secret of ChimneysSuperintendent Battle Anthony Cade

1926The Murder of Roger AckroydHercule Poirot Inspector Raglan

1927The Big FourHercule Poirot Arthur Hastings, Inspector Japp

1928The Mystery of the Blue TrainHercule Poirot

1929The Seven Dials MysterySuperintendent Battle Eileen "Bundle" Brent

1930The Murder at the VicarageMiss Marple Inspector Slack

1931The Sittaford Mystery also Murder at HazelmoorEmily Trefusis Inspector Narracott

1932Peril at End HouseHercule Poirot Arthur Hastings, Inspector Japp

1933Lord Edgware Dies also Thirteen at DinnerHercule Poirot Arthur Hastings, Inspector Japp

1934Murder on the Orient Express also Murder in the Calais CoachHercule Poirot

1934Why Didn't They Ask Evans? also The Boomerang ClueBobby Jones Frankie Derwent

1935Three Act Tragedy also Murder in Three ActsHercule Poirot Mr. Satterthwaite

1935Death in the Clouds also Death in the AirHercule Poirot Inspector Japp

1936The A.B.C. Murders also The Alphabet MurdersHercule Poirot Arthur Hastings, Chief Inspector Japp

1936Murder in MesopotamiaHercule Poirot Captain Maitland, Dr. Reilly 1936Cards on the TableHercule Poirot Colonel Race, Superintendent Battle, Ariadne Oliver

1937Dumb Witness also Poirot Loses a Client/Mystery at Littlegreen HouseHercule Poirot Arthur Hastings

1937Death on the NileHercule Poirot Colonel Race

1938Appointment with DeathHercule Poirot

1938Hercule Poirot's Christmas also Murder for Christmas/A Holiday for MurderHercule Poirot

1939Murder is Easy also Easy to KillSuperintendent Battle Luke Fitzwilliam

1939Ten Little Niggers also And Then There Were None/Ten Little Indians Sir Thomas Legge Inspector Maine

1940Sad CypressHercule Poirot

1940One, Two, Buckle My Shoe also An Overdose of Death/The Patriotic MurdersHercule Poirot Chief Inspector Japp

1941Evil Under the SunHercule Poirot Colonel Weston, Inspector Colgate

1941N or M?Tommy and Tuppence

1942The Body in the LibraryMiss Marple Inspector Slack

1942Five Little Pigs also Murder in RetrospectHercule Poirot

1942The Moving Finger also The Case of the Moving FingerMiss Marple

1944Towards Zero also Come and Be HangedSuperintendent Battle Inspector James Leach

1944Death Comes as the EndHori

1945Sparkling Cyanide also Remembered DeathColonel Race Chief Inspector Kemp

1946The Hollow also Murder After HoursHercule Poirot Inspector Grange

1948Taken at the Flood also There is a Tide...Hercule Poirot

1949Crooked HouseCharles Hayward Chief Inspector Taverner

1950A Murder is AnnouncedMiss Marple Chief Inspector Craddock

1951They Came to BaghdadVictoria Jones

1952Mrs McGinty's Dead also Blood Will TellHercule Poirot Ariadne Oliver

1952They Do It with Mirrors also Murder with MirrorsMiss Marple Inspector Curry

1953After the Funeral also Funerals are FatalHercule Poirot Inspector Morton, Mr. Goby

1953A Pocket Full of RyeMiss Marple

1954Destination Unknown also So Many Steps to DeathMr. Jessop, Captain Leblanc

1955Hickory Dickory Dock also Hickory Dickory DeathHercule Poirot Inspector Sharpe

1956Dead Man's FollyHercule Poirot Ariadne Oliver

19574.50 from Paddington also What Mrs. McGillicuddy Saw!/Murder She SaidMiss Marple Chief Inspector Craddock

1958Ordeal by InnocenceArthur Calgary Superintendent Huish

1959Cat Among the PigeonsHercule Poirot Inspector Kelsey, Adam Goodman

1961The Pale HorseInspector Lejeune Ariadne Oliver, Mark Easterbrook

1962The Mirror Crack'd from Side to Side also The Mirror Crack'dMiss Marple Chief Inspector Craddock

1963The ClocksHercule Poirot Det. Inspector Hardcastle, Colin Lamb

1964A Caribbean MysteryMiss Marple

1965At Bertram's HotelMiss Marple Chief Inspector Fred "Father" Davy

1966Third GirlHercule Poirot Ariadne Oliver, Chief Inspector Neele, Mr. Goby

1967Endless NightSergeant Keene

1968By the Pricking of My ThumbsTommy and Tuppence

1969Hallowe'en PartyHercule Poirot Ariadne Oliver

1970Passenger to FrankfurtStafford Nye

1971NemesisMiss Marple

1972Elephants Can RememberHercule Poirot Ariadne Oliver

1973Postern of Fate Last novel Christie wroteTommy and Tuppence

1975Curtain Poirot's last case, written about 35 years earlier.Hercule Poirot Arthur Hastings

1976Sleeping Murder