Agatha Christie books in order
166 books in the catalogue, about 989 hours of reading in all; the shortest takes 1 hour and the longest 25 hours.
3 series and 108 standalone books in the catalogue.
Canon of Hercule Poirot
38 books 1 
The Mysterious Affair at Styles 3.8 h 2 
Murder on the Links 4.1 h 3 
Poirot Investigates 3.5 h 4 
The Murder of Roger Ackroyd 4.7 h 
The Big Four 4.1 h 6 
The Mystery of the Blue Train 4.7 h 
Peril at End House 4.1 h 
Murder on the Orient Express 4.4 h 
Three Act Tragedy 4.4 h 
Death in the Clouds 4.7 h 13 
The A.B.C. Murders 4.3 h 14 
Cards on the Table 4.3 h 
Murder in Mesopotamia 4.7 h 16 
Death on the Nile 5.2 h 17 
Dead Man's Mirror 4.7 h 
Dumb Witness 4.8 h 18 
Appointment with Death 4.1 h 
Hercule Poirot's Christmas 4.1 h 21 
Sad Cypress 4.4 h 
Evil Under the Sun 4.1 h 24 
Five Little Pigs 4.4 h 
The Hollow 4.7 h 
After the Funeral 4.5 h 
Dead Man's Folly 4.1 h 29 
The Mousetrap and Other Plays 12.1 h 30 
The Under Dog and Other Stories 4.1 h 31 
Mrs McGinty's Dead 4.3 h 33 
Hickory Dickory Dock 4.0 h 35 Cat Among the Pigeons 24.5 h 36 
The Adventure of the Christmas Pudding 4.6 h 38 
The Clocks 4.7 h 39 
Third Girl 4.7 h 40 
Hallowe'en Party 4.6 h 41 
Elephants Can Remember 4.4 h 42 
Curtain 4.4 h
The Mysterious Affair at Styles 3.8 h 2 Murder on the Links 4.1 h 3 Poirot Investigates 3.5 h 4 The Murder of Roger Ackroyd 4.7 h The Big Four 4.1 h 6 The Mystery of the Blue Train 4.7 h Peril at End House 4.1 h Lord Edgware Dies length not known
9 Murder on the Orient Express 4.4 h Three Act Tragedy 4.4 h Death in the Clouds 4.7 h 13 The A.B.C. Murders 4.3 h 14 Cards on the Table 4.3 h Murder in Mesopotamia 4.7 h 16 Death on the Nile 5.2 h 17 Dead Man's Mirror 4.7 h Dumb Witness 4.8 h 18 Appointment with Death 4.1 h Hercule Poirot's Christmas 4.1 h 21 Sad Cypress 4.4 h One, Two, Buckle My Shoe length not known
23 Evil Under the Sun 4.1 h 24 Five Little Pigs 4.4 h The Hollow 4.7 h Taken at the Flood length not known
After the Funeral 4.5 h Dead Man's Folly 4.1 h 29 The Mousetrap and Other Plays 12.1 h 30 The Under Dog and Other Stories 4.1 h 31 Mrs McGinty's Dead 4.3 h 33 Hickory Dickory Dock 4.0 h 35 Cat Among the Pigeons 24.5 h 36 The Adventure of the Christmas Pudding 4.6 h 38 The Clocks 4.7 h 39 Third Girl 4.7 h 40 Hallowe'en Party 4.6 h 41 Elephants Can Remember 4.4 h 42 Curtain 4.4 h Miss Marple
12 books 1 
The Murder at the Vicarage 4.7 h 2 
The Body in the Library 3.8 h 3 
The Moving Finger 4.1 h 4 
A Murder Is Announced 4.7 h 5 
They Do It with Mirrors 3.8 h 6 
A Pocket Full of Rye 3.8 h 7 
4.50 from Paddington 4.7 h 
A Caribbean Mystery 4.1 h 
Nemesis 4.6 h 12 
Sleeping Murder 4.4 h
The Murder at the Vicarage 4.7 h 2 The Body in the Library 3.8 h 3 The Moving Finger 4.1 h 4 A Murder Is Announced 4.7 h 5 They Do It with Mirrors 3.8 h 6 A Pocket Full of Rye 3.8 h 7 4.50 from Paddington 4.7 h 8 The Mirror Crack'd from Side to Side length not known
9 A Caribbean Mystery 4.1 h 10 At Bertram's Hotel length not known
11 Nemesis 4.6 h 12 Sleeping Murder 4.4 h Tommy and Tuppence
5 books
Standalone books
Murder Is Easy 4.1 h 
Endless Night 4.4 h 
The Seven Dials Mystery 4.6 h 
13 for Luck 4.2 h 
The Man in the Brown Suit 4.2 h 
The Secret of Chimneys 4.7 h 
Giant's Bread 6.9 h 
The Mysterious Mr Quin 4.8 h 
The Floating Admiral 5.7 h 
The Sittaford Mystery 4.1 h 
The Thirteen Problems 4.1 h 
Ask A Policeman 5.7 h 
Lord Edgware Dies 4.5 h 
Parker Pyne Investigates 3.7 h 
The Hound of Death and Other Stories 4.0 h 
Black Coffee 2.1 h 
The Listerdale Mystery 4.1 h 
Unfinished Portrait 5.6 h 
Why Didn't They Ask Evans? 4.7 h 
Six Against the Yard 5.6 h 
Surprise Endings by Hercule Poirot 7.4 h 
And Then There Were None 4.1 h 
The Regatta Mystery and Other Stories 3.8 h 
One, Two, Buckle My Shoe 3.9 h 
Absent in the Spring 3.6 h 
And Then There Were None [play] 1.8 h 
Death Comes as the End 4.2 h 
Towards Zero 4.1 h 
Sparkling Cyanide 4.6 h 
Come, Tell Me How You Live 3.8 h 
The Labours of Hercules 4.9 h 
Taken at the Flood 4.1 h 
The Rose and the Yew Tree 4.1 h 
The Witness for the Prosecution 4.7 h 
Three Blind Mice and Other Stories 4.1 h 
Witness for the Prosecution and Other Stories 5.1 h 
Crooked House 4.1 h 
They Came to Baghdad 4.7 h 
The Pale Horse 4.7 h 
A Daughter Is a Daughter 4.1 h 
Destination Unknown 3.9 h 
The Mousetrap 2.3 h 
Murder in the Mews 4.1 h 
Murder in the Mews and Other Stories 4.3 h 
Spider's Web 1.7 h 
The Burden 4.1 h 
Ordeal by Innocence 4.6 h 
The Unexpected Guest 1.4 h 
Cat Among the Pigeons 4.7 h 
The Perils of Poirot 12.8 h 
Double Sin and Other Stories 3.8 h 
The Mirror Crack'd from Side to Side 4.5 h 
Poirot's Early Cases 4.7 h 
Favorite Sleuths 5.9 h 
Star Over Bethlehem and Other Stories 1.8 h 
Surprise! Surprise! 4.1 h 
13 Clues for Miss Marple 4.0 h 
Alfred Hitchcock’s Spellbinders in Suspense 3.9 h 
The Regatta Mystery 3.5 h 
Agatha Christie Crime Collection 9.4 h 
Murder for Christmas and Three Other Great Mysteries 13.1 h 
Nemesis 4.4 h 
Passenger to Frankfurt 4.6 h 
Akhnaton 2.9 h 
Great Stories of Suspense 15.1 h 
Murder on Board 11.0 h 
The Hounds of Hell 3.5 h 
The Detective Story 8.1 h 
An Autobiography 9.9 h 
Masterpieces of Murder 10.9 h 
Miss Marple's Final Cases and Two Other Stories 2.9 h 
The Invincible Miss Marple 8.8 h 
Five Complete Hercule Poirot Novels 12.2 h 
Five Miss Marple Mysteries 11.9 h 
Miss Marple Meets Murder 12.1 h 
Agatha Christie's Detectives 12.8 h Great Short Tales of Mystery and Terror 11.7 h 
Murder for Christmas 8.5 h 
The Agatha Christie Hour 3.8 h Great Detectives 13.4 h 
Hercule Poirot's Casebook 15.8 h 
Murder Most Foul 6.5 h 
Treasury of Great Short Stories 11.7 h 
Five Classic Murder Mysteries 12.3 h 
Miss Marple, the Complete Short Stories 6.8 h 
Best Detective Stories of Agatha Christie 2.9 h 
Five Complete Novels of Murder and Detection 13.5 h 
Postmark 12.9 h 
Masterpieces of Mystery and Suspense 11.9 h 
Agatha Christie's Poirot -- Book One 3.5 h 
Country House Murders 6.8 h 
Murder in the Manor 5.7 h 
Senior Sleuths 8.3 h 
Problem at Pollensa Bay 4.4 h Agatha Christie's Poirot -- Book Three 3.5 h 
Poirot 11.7 h 
Mystery Stories 4.1 h 
The Harlequin Tea Set and Other Stories 4.1 h 
While the Light Lasts and Other Stories 4.1 h 
Detective Stories 4.1 h 
The Mammoth Book of Twentieth-century Ghost Stories 8.8 h 
The Oxford Book of Detective Stories 10.8 h 
Miss Marple's Final Cases 4.3 h 
The Mary Westmacott Collection--II 10.9 h 
And Then There Were None and Selected Plays 10.6 h 
A Treasury of Classic Mystery Stories 14.5 h 
Midwinter Murder 5.4 h 
La Ratonera 2.6 h Collected editions
Volumes that gather several of the books above.
So Many Steps to Death / Maigret in New York / Death in Lilac Time 3.2 h 
Curtain & The Mysterious Affair at Styles 6.9 h 
Labours of Hercules / Mrs McGinty's Dead 9.8 h Novels (Murder is Announced / Murder on the Orient Express) 9.8 h 
Sleeping Murder & The Murder at the Vicarage 7.0 h 
Novels (Cards on the Table / Five Little Pigs / Hercule Poirot's Christmas / Labours of Hercules / Murder on the Orient Express) 13.9 h 
Novels (Absent in the Spring / Burden / Daughter's a Daughter / Giants' Bread / Rose and the Yew Tree / Unfinished Portrait) 17.1 h The Scoop / Behind the Screen 3.7 h