Jacques Futrelle

Delphi Complete Works of Jacques Futrelle (Illustrated)

49 Tales of The Thinking Machine (49 Detective Stories Featuring Professor Augustus S. F. X. Van Dusen, also known as "The Thinking Machine")

The Diamond Master

La Machine à Penser - Tome 8

The Mysteries of Professor Van Dusen

The Diamond Master

The Rivals: Tales of Sherlock Holmes' Rival Detectives (Dramatisation)

Detective Stories – Curious Crimes: Truth and justice by way of clues

Detective Stories – Volume 2: E M Delafield to Anna Katharine Green

Detective Stories – The Americans: Truth and justice by way of clues

Detective Stories – The Overseas Arm of the Law: Truth and justice by way of clues

Detective Stories – Mysteries: Truth and justice by way of clues