| The Adventure Of The Christmas Pudding | (not | Marple, Poirot | Short |
| The Mysterious Affair At Styles | 1920 | Hercule Poirot | Novel |
| The Secret Adversary | 1922 | Tommy & Tuppence Beresford | Novel
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| The Murder On The Links | 1923 | Hercule Poirot | Novel |
| The Man In The Brown Suit | 1924 | Anne Beddingfeld | Novel
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| The Secret Of Chimneys | 1925 | Superintendent Battle | Novel
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| Poirot Investigates | 1925 | Hercule Poirot | Short |
| The Murder Of Roger Ackroyd | 1926 | Hercule Poirot | Novel
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| The Big Four | 1927 | Hercule Poirot | Novel
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| The Mystery Of The Blue Train | 1928 | Hercule Poirot | Novel
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| Partners In Crime | 1929 | Tommy & Tuppence Beresford | Short |
| The Seven Dials Mystery | 1929 | Superintendent Battle | Novel
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| The Murder At The Vicarage | 1930 | Miss Marple | Novel
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| The Mysterious Mr. Quin | 1930 | Other | Short |
| The Sittaford Mystery | 1931 | Emily Trefusis | Novel
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| Peril At End House | 1932 | Hercule Poirot | Novel
|
| Lord Edgware Dies | 1933 | Hercule Poirot | Novel
|
| The Thirteen Problems | 1933 | Miss Marple | Short |
| Murder On The Orient Express | 1934 | Hercule Poirot | Novel
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| Parker Pyne Investigates | 1934 | publication: 1934 (Collins)
US publication: 1934 (Dodd, Mead)
Detective: Parker Pyne | Short |
| The Abc Murders | 1935 | Hercule Poirot | Novel
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| Death In The Clouds | 1935 | Hercule Poirot | Novel
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| Why Didn't They Ask Evans? | 1935 | Bobby Jones and Frankie Derwent | Novel
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| Murder In Mesopotamia | 1936 | Hercule Poirot | Novel
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| Cards On The Table | 1937 | Hercule Poirot | Novel
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| Dumb Witness | 1937 | Hercule Poirot | Novel
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| Murder In The Mews | 1937 | Hercule Poirot | Short |
| Death On The Nile | 1938 | Hercule Poirot | Novel
|
| Appointment With Death | 1938 | Hercule Poirot | Novel
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| The Regatta Mystery | 1939 | Marple, Poirot, Pyne | Short |
| Hercule Poirot's Christmas | 1939 | Hercule Poirot | Novel
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| Murder Is Easy | 1939 | Luke Fitzwilliam | Nove
|
| Ten Little Niggers | 1939 | None | Novel
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| Sad Cypress | 1940 | Hercule Poirot | Novel
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| One, Two, Buckle My Shoe | 1941 | Hercule Poirot | Novel
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| N Or M? | 1941 | Tommy & Tuppence Beresford | Novel
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| Evil Under The Sun | 1941 | Hercule Poirot | Novel
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| The Body In The Library | 1942 | Miss Marple | Novel
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| The Moving Finger | 1942 | Miss Marple | Novel
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| Five Little Pigs | 1942 | Hercule Poirot | Novel
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| Towards Zero | 1944 | Superintendent Battle | Novel
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| Death Comes As The End | 1944 | None | Novel
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| Sparkling Cyanide | 1945 | Other | Novel
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| The Hollow | 1946 | Hercule Poirot | Novel
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| The Labours Of Hercules | 1947 | Hercule Poirot | Short |
| Taken At The Flood | 1948 | Hercule Poirot | Novel
|
| The Witness For The Prosecution And Other Stories | 1948 | Poirot, others | Short |
| Crooked House | 1949 | Charles Hayward | Novel
|
| Three Blind Mice And Other Stories | 1950 | Marple, Poirot, Quin | Short |
| A Murder Is Announced | 1950 | Miss Marple | Novel
|
| The Under Dog And Other Stories | 1951 | Hercule Poirot | Short |
| They Came To Baghdad | 1951 | Victoria Jones | Novel
|
| They Do It With Mirrors | 1952 | Miss Marple | Novel
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| Mrs. Mcginty's Dead | 1952 | Book Club edition, 1952)
UK publication: 1952 (Collins)
US publication: 1952 (Dodd | Novel
|
| After The Funeral | 1953 | Hercule Poirot | Novel
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| A Pocket Full Of Rye | 1954 | Miss Marple | Novel
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| Destination Unknown | 1955 | Hilary Craven | Novel
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| Hickory Dickory Dock | 1955 | Hercule Poirot | Novel
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| Dead Man's Folly | 1956 | Hercule Poirot | Novel
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| 4:50 From Paddington | 1957 | Miss Marple | Novel
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| Cat Among The Pigeons | 1959 | Poirot, others | Novel
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| Ordeal By Innocence | 1959 | Arthur Calgary | Novel
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| Double Sin | 1961 | Marple, Poirot | Short |
| The Pale Horse | 1962 | Mark Easterbrook | Novel
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| The Mirror Crack'd From Side To Side | 1963 | Miss Marple | Novel
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| The Clocks | 1964 | Hercule Poirot | Novel
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| A Caribbean Mystery | 1965 | Miss Marple | Novel
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| At Bertram's Hotel | 1966 | Miss Marple | Novel
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| Third Girl | 1967 | Hercule Poirot | Novel
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| By The Pricking Of My Thumbs | 1968 | Tommy & Tuppence Beresford | Novel
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| Endless Night | 1968 | Michael Rogers | Novel
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| Halloween Party | 1969 | Hercule Poirot | Novel
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| Passenger To Frankfurt | 1970 | Sir Stafford Nye | Novel
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| The Golden Ball And Other Stories | 1971 | Other | Short |
| Nemesis | 1971 | Miss Marple | Novel
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| Elephants Can Remember | 1972 | Hercule Poirot | Novel
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| Postern Of Fate | 1973 | Tommy & Tuppence Beresford | Novel
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| Poirot's Early Cases | 1974 | Hercule Poirot | Short |
| Curtain: Poirot's Last Case | 1975 | Hercule Poirot | Novel
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| Sleeping Murder: Miss Marple's Last Case | 1976 | Miss Marple | Novel
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