- The Secret Diary of Mycroft Holmes: The Thoughts and Reminiscences of Sherlock Holmes's Elder Brother, 1880-1888
- Sherlock Holmes: The Adventure of the Peculiar Provenance
- Beyond Watson
- The New Adventures of Solar Pons: Tales of the Sherlock Holmes of Praed Street
- Sherlock Holmes: Adventures in the Realms of Steampunk, Mechanical Men and Otherworldly Endeavours