Jacques Futrelle

The Victorian Mystery Megapack

The Jacques Futrelle Megapack

The World's Smartest Detectives

The Thinking Machine

The Diamond Master

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

The Thinking Machine (Unabridged)

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

The Problem of Cell 13 (Unabridged)

The Rivals: Tales of Sherlock Holmes’ rival detectives

Classic American Detective

Classic Detective Stories: Boxed (Unabridged)