The Chase of the Golden Plate (1906)
The Thinking Machine (The Problem of Cell 13) (short stories) (1907)
- The Flaming Phantom
The Great Auto Mystery
The Man Who Was Lost
The Mystery of a Studio
The Problem of Cell 13
The Ralston Bank Burglary
The Scarlet Thread
The Simple Case of Susan (1908)
The Thinking Machine on the Case (UK Title: The Professor on the Case) (1908)
The Diamond Master (1909)
Elusive Isabel (UK Title: The Lady in the Case) (1909)
The High Hand (UK Title: The Master Hand) (1911)
My Lady's Garter (1912)
Blind Man's Buff (1914)
The Thinking Machine (short stories) (1959)
- The Case of the Flaming Phantom
The Mystery of the Silver Box
The Problem of Cell 13
Best Thinking Machine Detective Stories (short stories) (1973)
- The Brown Coat
The Crystal Gazer
The Fatal Cipher
The Flaming Phantom
His Perfect Alibi
Kidnapped Baby Blake, Millionaire
The Lost Radium
The Missing Necklace
The Phantom Motor
The Problem of Cell 13
The Problem of the Stolen Rubens
The Scarlet Thread
Great Cases of the Thinking Machine (short stories) (1977)
- The Haunted Bell
The Interrupted Wireless
The Motor Boat
The Problem of the Auto Cab
The Problem of the Broken Bracelet
The Problem of the Cross Mark
The Problem of the Hidden Million
The Problem of the Souvenir Cards
The Problem of the Vanishing Man
The Roswell Tiara
The Silver Box
The Superfluous Finger
The Three Overcoats