John Dickson Carr books in order
36 books in the catalogue, about 184 hours of reading in all; the shortest takes 3 hours and the longest 12 hours.
3 series and 27 standalone books in the catalogue.
Gideon Fell
4 books
Hag's Nook 3.5 h The Mad Hatter Mystery length not known
15 Till Death Do Us Part length not known
17 
The Sleeping Sphinx 4.4 h Gideon Fell
16 books
The Blind Barber 4.7 h The Eight of Swords length not known
The Hollow Man length not known
The Arabian Nights Murder length not known
The Crooked Hinge length not known
To Wake the Dead length not known
The Black Spectacles 4.4 h The Problem of the Wire Cage length not known
The Man Who Could Not Shudder length not known
Death Turns the Tables length not known
The Case of the Constant Suicides length not known
Dr. Fell, Detective, and Other Stories length not known
The Devil in Velvet length not known
The Dead Man's Knock length not known
In Spite of Thunder length not known
The House at Satan's Elbow 5.8 h Sir Henry Merrivale
21 books The Plague Court Murders length not known
The White Priory Murders length not known
The Red Widow Murders length not known
The Unicorn Murders length not known
The Punch and Judy Murders length not known
The Judas Window length not known
The Ten Teacups 4.8 h Death in Five Boxes length not known
The Reader is Warned 4.6 h And So to Murder length not known
Murder in the Submarine Zone 4.6 h Seeing is Believing length not known
The Gilded Man length not known
She Died a Lady length not known
He Wouldn't Kill Patience length not known
The Curse of the Bronze Lamp length not known
My Late Wives length not known
The Skeleton in the Clock length not known
A Graveyard to Let length not known
Night at the Mocking Widow length not known
Behind the Crimson Blind 5.0 h Standalone books
It Walks by Night 4.6 h 
Corpse in the Waxworks 3.5 h 
Death-Watch 4.7 h 
The Hollow Man 4.7 h 
The Murder of Sir Edmund Godfrey 6.5 h 
The Burning Court 4.7 h 
The Crooked Hinge 4.7 h 
The Department of Queer Complaints 4.4 h 
The Case of the Constant Suicides 3.7 h 
The Emperor's Snuff-Box 3.8 h 
The Curse of the Bronze Lamp 3.5 h 
He Who Whispers 3.8 h 
Below Suspicion 4.2 h 
The Life of Sir Arthur Conan Doyle 6.4 h 
The 9 Wrong Answers 3.4 h 
The Exploits of Sherlock Holmes 5.8 h 
The Third Bullet 4.1 h 
Three Detective Novels 9.3 h 
In Spite of Thunder 4.1 h 
The Men Who Explained Miracles 3.3 h 
The John Dickson Carr Treasury 6.9 h 
The Door to Doom, and Other Detections 6.5 h 
The Twelve Crimes of Christmas 4.7 h Great Short Tales of Mystery and Terror 11.7 h 
Country House Murders 6.8 h 
Senior Sleuths 8.3 h 
Twelve American Crime Stories 4.1 h