Crime, Mysteries & Thrillers discussion

Multi-Year Challenge
Read The Queen of Crime Challenge
Dates: January 1, 2026 - December 31, 2028



How to participate: Comment below to indicate you're participating and how many books you are planning to read. Read Agatha Christie's books from the list below. You can read them all or set your own number of books.

Bonus books are in italics and are incorporated in the list.

Each book is worth 1 point, each bonus book is worth 2 points, and each complete series (per character or standalone), is worth 3 points. Biographies/Autobiographies of Agatha Christie are worth 4 points.

What rank will you achieve?

Baroness: 1 - 15 points
Viscountess: 16 - 30 points
Countess: 31 - 45 points
Marchioness: 46 - 60 points
Duchess: 61 - 75 points
Princess: 76 - 90 points
Queen Consort: 91 - 105 points
Queen Regnant: 106 - 120 points
Queen Mother: 120 + points

Notes: The list below is in publication order; I posted them that way for the sake of convenience. You do not have to read them in publication order.

Publication dates often differ because novels are released at different times in the US and the UK.

Additionally, short story collections may include different selections depending on whether they were published in the US or the UK.

The list:

1920 The Mysterious Affair at Styles: Hercule Poirot #1
1922 The Secret Adversary: Tommy and Tuppence #1
1923 The Murder on the Links: Hercule Poirot #2
bonus - 1924 Poirot Investigates: Hercule Poirot #3
1924 The Man in the Brown Suit: Colonel Race #1
1925 The Secret of Chimneys: Superintendent Battle #1
1926 The Murder of Roger Ackroyd: Hercule Poirot #4
1927 The Big Four: Hercule Poirot #5
1928 The Mystery of the Blue Train: Hercule Poirot #6
1929 The Seven Dials Mystery: Superintendent Battle #2
1929 : Partners in Crime: Tommy and Tuppence #2
bonus - 1930 Black Coffee: A Mystery Play in Three Acts; Hercule Poirot #7
1930 The Mysterious Mr. Quin Harley Quin #1-12
1930 The Murder at the Vicarage: Miss Marple #1
1931 The Sittaford Mystery: standalone
1932 Peril at End House: Hercule Poirot #8
bonus 1932 The Thirteen Problems: Miss Marple #0.5
1933 Lord Edgware Dies: Hercule Poirot #9
1934 Murder on the Orient Express: Hercule Poirot #10
1934 Three Act Tragedy: Hercule Poirot #11
1934 Parker Pyne Investigates: Parker Pyne #1-12, Ariadne Oliver #1F
1934 Why Didn't They Ask Evans?: standalone
1935 Death in the Clouds: Hercule Poirot #12
1936 The A.B.C. Murders: Hercule Poirot #13
1936 Murder in Mesopotamia: Hercule Poirot #14
1936 Cards on the Table: Hercule Poirot #15, Colonel Race #2 & Superintendent Battle #3 & Ariadne Oliver #2
bonus - 1937 Murder in the Mews: Hercule Poirot #16
1937 Dumb Witness: Hercule Poirot #17
1937 Death on the Nile: Hercule Poirot #18
1937 Appointment with Death: Hercule Poirot #19 & Colonel Race #3
1938 Hercule Poirot's Christmas: Hercule Poirot #20
1939 And Then There Were None: standalone
1939 Murder Is Easy: Superintendent Battle #4
bonus - 1939 The Regatta Mystery and Other Stories: Hercule Poirot #21, Miss Marple #1.5 & Parker Pyne #13 & 14
1940 Sad Cypress: Hercule Poirot #22
1940 One, Two, Buckle My Shoe: Hercule Poirot #23
1941 Evil Under the Sun: Hercule Poirot #24
1941 N or M?: Tommy and Tuppence #3
1942 The Body in the Library: Miss Marple #2
1942 Five Little Pigs: Hercule Poirot #25
1942 : The Moving Finger: Miss Marple #3
1944 Towards Zero: Superintendent Battle #5
1945 Death Comes as the End: standalone
1945 Sparkling Cyanide: Colonel Race #4
1946 The Hollow: Hercule Poirot #26
bonus - 1947 The Labours of Hercules: Hercule Poirot #27
bonus - 1932 The Witness for the Prosecution and Other Stories: Hercule Poirot #28
1948 Taken at the Flood: Hercule Poirot #29
1949 Crooked House: standalone
bonus - 1950 Three Blind Mice and Other Stories: Hercule Poirot #30
1950 A Murder Is Announced: Miss Marple #4
bonus - 1951 The Under Dog and Other Stories: Hercule Poirot #31
1951 They Came to Baghdad: standalone
1952 Mrs. McGinty's Dead: Hercule Poirot #32 & Ariadne Oliver #3
1952 They Do It With Mirrors: Miss Marple #5
1953 A Pocket Full of Rye: Miss Marple #6
1953 After the Funeral: Hercule Poirot #33
1954 Destination Unknown: standalone
1955 Hickory Dickory Dock: Hercule Poirot #34
1955 Dead Man's Folly: Hercule Poirot #35 & Ariadne Oliver #4
1957 4:50 from Paddington: Miss Marple #7
1958 Ordeal by Innocence: standalone
1959 Cat Among the Pigeons: Hercule Poirot #36
bonus 1960 The Adventure of the Christmas Pudding: Hercule Poirot #37
bonus 1961 Double Sin and Other Stories: Hercule Poirot #38
1961 The Pale Horse: Ariadne Oliver #5
1962 The Mirror Crack'd from Side to Side: Miss Marple #8
1963 The Clocks: Hercule Poirot #39
1964 A Caribbean Mystery: Miss Marple #9
1965 At Bertram's Hotel: Miss Marple #10
1966 Third Girl: Hercule Poirot #40 & Ariadne Oliver #6
1967 Endless Night: standalone
1968 By the Pricking of My Thumbs: Tommy and Tuppence #4
1969 Hallowe'en Party: Hercule Poirot #41 & Ariadne Oliver #7
1970 Passenger to Frankfurt: standalone
1971 Nemesis: Miss Marple #11
1972 Elephants Can Remember: Hercule Poirot #42 & Ariadne Oliver #8
1973 Postern of Fate: Tommy and Tuppence #5
bonus - 1974 Poirot's Early Cases: 18 Hercule Poirot Mysteries: Hercule Poirot #43
1975 Curtain: Hercule Poirot #44
1976 Sleeping Murder: Miss Marple #12
1979 Miss Marple's Final Cases: Miss Marple #13
bonus - 1991 Problem at Pollensa Bay and Other Stories: Hercule Poirot #45, Parker Pyne, #13-14, & Harley Quin #13-14
bonus - 1997 The Harlequin Tea Set and Other Stories: Hercule Poirot #46
bonus - 1924 While the Light Lasts: Hercule Poirot #47 & Harley Quinn #14

Hercule Poirot
30 books + 14 bonus books

Tommy and Tuppence
5 books

Colonel Race
4 books

Superintendent Battle
5 books

Miss Marple
13 books + 2 bonus books

Parker Pyne
14 stories

Ariadne Oliver
8 stories

Harley Quin
14 stories

standalone books
10 books

Total (the numbers don't add up because some of the books contain multiple characters)
69 books + 15 bonus

Biographies and Autobiographies: (this is a short list, there are more)
Agatha Christie: An Autobiography by Agatha Christie
Agatha Christie: An English Mystery by Laura Thompson
Agatha Christie: An Elusive Woman by Lucy Worsley
The Life and Crimes of Agatha Christie: A Biographical Companion to the Works of Agatha Christie by Charles Osborne
Agatha Christie: A Biography by Janet Morgan
Agatha Christie and the Eleven Missing Days bu Jared Cade
Mallowan's Memoirs: Agatha and the Archaeologist by Max Mallowan

Other resources
Project Gutenberg (limited ebooks available here): https://www.gutenberg.org/ebooks/auth...
Open Library (some ebooks available here): https://openlibrary.org/authors/OL276...
agathachristie.com: https://www.agathachristie.com/
everythingagatha.com: https://everythingagatha.com/
Agatha Christie Wiki: https://agathachristie.fandom.com/wik...

Final Note: I can open a new folder and new discussions for each book if that would help, just let me know.