The Victorian Mystery Megapack
2013
65+ Masterpieces of Detective Fiction Classic Collection. Illustrated
2021
49 Tales of The Thinking Machine (49 Detective Stories Featuring Professor Augustus S. F. X. Van Dusen, also known as "The Thinking Machine")
2013
Elusive Isabel
1909
The Diamond Master
1909
The Detective Megapack®
2021
The Rivals: Tales of Sherlock Holmes’ rival detectives
2021
The Rivals: Tales of Sherlock Holmes' Rival Detectives (Dramatisation)
2015
The Problem of Cell 13 (Unabridged)
2025
The Thinking Machine (Unabridged)
2025
The Superfluous Finger
2022
The Greatest Mysteries of All Time, Volume 3 (Abridged)
1997