It’s an understatement to say that Agatha Christie was a prolific mystery author. Her Miss Marple series spans over forty years and the Hercule Poirot cycle, over fifty years. The lists below do not include plays and short stories. This is a list for reference purposes; although I’ve read most Miss Marple, too many years have passed for me to review the stories.
I have not read any Poirot but have seen a few movies made from the book.
The Miss Marple Series:
Murder at the Vicarage
The Thirteen Problems
The Body in the Library
The Moving Finger
A Murder is Announced
They Do It With Mirrors
A Pocket Full of Rye
4:50 From Paddington
The Mirror Crack’d From Side to Side
A Caribbean Mystery
At Bertram’s Hotel
Nemesis
Sleeping Murder (published posthumously)
The Hercule Poirot Series:
The Mysterious Affair at Styles
Murder on the Links
The Murder of Roger Ackroyd
The Big Four
The Mystery of the Blue Train
Peril at End House
Lord Edgemere Dies (aka Thirteen at Dinner)
Murder on the Orient Express
Murder in Three Acts (aka 3 Act Tragedy)
Death in the Clouds (aka Death in the Air)
The A.B.C Murders (aka The Alphabet Murders
Murder in Mesopotamia
Cards on the Table
Dumb Witness (aka Poirot Loses a Client)
Death on the Nile (aka Murder on the Nile and aka Hidden Horizon)
Murder in the Mews (aka Dead Man’s Mirror)
Appointment With Death
Hercule Poirot’s Christmas (aka Murder for Christmas and aka A Holiday for Murder)
Sad Cypress
One, Two, Buckle My Shoe (aka An Overdose of Death and aka The Patriotic Murders)
Evil Under the Sun
Five Little Pigs (aka Murder in Retrospect)
The Hollow (aka Murder After Hours)
Taken at the Flood (aka There is a Tide)
Mrs. McGinty’s Dead (aka Blood Will Tell)
After the Funeral (aka Funerals Are Fatal)
Hickory Dickory Dock (aka Hickory Dickory Death)
Dead Man’s Folly
Cat Among the Pigeons
The Clocks
Third Girl
Hallowe’en Party
Elephants Can Remember
Curtain (written 1940, published 1975)