* The Inspector's Son
* The Black Mass
* The French Bet
* The Venetian Agent
* The Assassin's Coin
* The Spanish Game
Short stories:
* "Assassin"
* "Murder in the Rue Morgue"
* "The Masque of the Red Death"
Non-fiction:
* The True Stories Behind Sherlock Holmes
* London Confidential: The History of the British Secret Service