| Series | | Books |
| Agatha Christie |
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| Eileen 'Bundle' Brent | | (1925) |
| | | (1929) |
| |
| Tommy & Tuppence | | (1922) |
| | | (1929) |
| | | (1941) |
| | | (1968) |
| | | (1973) |
| |
| Other | | The Mysterious Affair at Styles [Hercule Poirot] (1920) |
| | | The Murder on the Links [Hercule Poirot] (1923) |
| | | Poirot Investigates [Hercule Poirot] (1924) |
| | | The Man in the Brown Suit [Colonel Race] (1924) |
| | | The Secret of Chimneys [Superintendent Battle] (1925) |
| | | The Murder of Roger Ackroyd [Hercule Poirot] (1926) |
| | | The Big Four [Hercule Poirot] (1927) |
| | | The Mystery of the Blue Train [Hercule Poirot] (1928) |
| | | The Seven Dials Mystery [Superintendent Battle] (1929) |
| | | The Mysterious Mr Quin (1930) |
| | | The Murder at the Vicarage [Miss Marple] (1930) |
| | | The Sittaford Mystery aka Murder at Hazelmoor (1931) |
| | | Peril at End House [Hercule Poirot] (1932) |
| | | The Thirteen Problems aka The Tuesday Club Murders [Miss Marple] (1932) |
| | | Lord Edgware Dies aka Thirteen at Dinner [Hercule Poirot] (1933) |
| | | Murder on the Orient Express aka Murder in the Calais Coach [Hercule Poirot] (1934) |
| | | Three Act Tragedy aka Murder in Three Acts [Hercule Poirot] (1934) |
| | | Parker Pyne Investigates aka Mr. Parker Pyne: Detective (1934) |
| | | Why Didn't They Ask Evans? aka The Boomerang Clue (1935) |
| | | Death in the Clouds aka Death in the Air [Hercule Poirot] (1935) |
| | | Cards on the Table [Superintendent Battle] (1936) |
| | | Murder in Mesopotamia [Hercule Poirot] (1936) |
| | | Cards on the Table [Hercule Poirot] (1936) |
| | | The ABC Murders [Hercule Poirot] (1936) |
| | | Death on the Nile [Hercule Poirot] (1937) |
| | | Dumb Witness aka Poirot Loses a Client [Hercule Poirot] (1937) |
| | | Murder in the Mews aka Dead Man's Mirror [Hercule Poirot] (1937) |
| | | Death on the Nile [Colonel Race] (1937) |
| | | Hercule Poirot's Christmas aka A Holiday for Murder aka Murder for Christmas [Hercule Poirot] (1938) |
| | | Appointment with Death [Hercule Poirot] (1938) |
| | | Murder Is Easy aka Easy to Kill [Superintendent Battle] (1939) |
| | | And then there were None aka Ten Little Niggers / Ten Little Indians (1939) |
| | | One, Two, Buckle My Shoe aka An Overdose of Death aka The Patriotic Murders [Hercule Poirot] (1940) |
| | | Sad Cypress [Hercule Poirot] (1940) |
| | | Evil Under the Sun [Hercule Poirot] (1941) |
| | | The Body in the Library [Miss Marple] (1942) |
| | | The Moving Finger [Miss Marple] (1942) |
| | | Five Little Pigs aka Murder in Retrospect [Hercule Poirot] (1942) |
| | | Sparkling Cyanide aka Remembered Death [Colonel Race] (1944) |
| | | Death Comes as the End (1944) |
| | | Towards Zero [Superintendent Battle] (1944) |
| | | The Hollow aka Murder after Hours [Hercule Poirot] (1946) |
| | | The Labours of Hercules [Hercule Poirot] (1947) |
| | | Taken at the Flood aka There Is a Tide [Hercule Poirot] (1948) |
| | | Crooked House (1949) |
| | | A Murder Is Announced [Miss Marple] (1950) |
| | | They Came to Baghdad (1951) |
| | | Mrs McGinty's Dead aka Blood Will Tell [Hercule Poirot] (1952) |
| | | They Do It with Mirrors aka Murder with Mirrors [Miss Marple] (1952) |
| | | A Pocket Full of Rye [Miss Marple] (1953) |
| | | After the Funeral aka Funerals Are Fatal [Hercule Poirot] (1953) |
| | | Destination Unknown aka So Many Steps to Death (1954) |
| | | Hickory Dickory Dock [Hercule Poirot] (1955) |
| | | Dead Man's Folly [Hercule Poirot] (1956) |
| | | 4.50 from Paddington aka What Mrs McGillicuddy Saw [Miss Marple] (1957) |
| | | Ordeal by Innocence (1958) |
| | | Cat Among the Pigeons [Hercule Poirot] (1959) |
| | | The Pale Horse (1961) |
| | | The Mirror Crack'd: from Side to Side [Miss Marple] (1961) |
| | | The Clocks [Hercule Poirot] (1963) |
| | | A Caribbean Mystery [Miss Marple] (1964) |
| | | At Bertram's Hotel [Miss Marple] (1965) |
| | | Third Girl [Hercule Poirot] (1966) |
| | | Endless Night (1967) |
| | | Hallowe'en Party [Hercule Poirot] (1969) |
| | | Passenger to Frankfurt (1970) |
| | | Nemesis [Miss Marple] (1971) |
| | | Elephants Can Remember [Hercule Poirot] (1972) |
| | | Poirot's Early Cases aka Hercule Poirot's Early Cases [Hercule Poirot] (1974) |
| | | Curtain: Poirot's Last Case [Hercule Poirot] (1975) |
| | | Sleeping Murder [Miss Marple] (1976) |
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| Mary Westmacott |
| |
| Other | | Giant's Bread (1930) |
| | | Unfinished Portrait (1934) |
| | | Absent in the Spring (1944) |
| | | The Rose and the Yew Tree (1948) |
| | | A Daughter's a Daughter (1952) |
| | | The Burden (1956) |
| |