Warlock Holmes: A Study in Brimstone: A Study in BrimstoneG.S. Denning
Audiobooks narrated by Robert Garson
- Warlock Holmes: The Hell-Hound of the Baskervilles: The Hell-Hound of the BaskervillesG.S. Denning
- Warlock Holmes: My Grave Ritual: My Grave RitualG.S. Denning
- Warlock Holmes: The Sign of Nine: The Sign of NineG.S. Denning
- Warlock Holmes: The Finality Problem: The Finality ProblemG.S. Denning
- Warlock Holmes: The Sign of NineG.S. Denning
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