The Thinking Machine

49 Tales of The Thinking Machine (49 detective stories featuring Professor Augustus S. F. X. Van Dusen, also known as "The Thinking Machine")

The Great Thinking Machine: "The Problem of Cell 13" and Other Stories

The House of Silk: A Richard and Judy bestseller

The Diamond Master

The Leak

Psycho

The Chase of the Golden Plate

Professor Augustus Van Dusen: 49 Detective Mysteries in One Edition: Adventures of The Thinking Machine

Elusive Isabel