J, K
- L. Frank James: An Opened Grave: Sherlock Holmes Investigates His Ultimate Case (2006)
- Enrique Jardiel Poncela: Novísimas aventuras de Sherlock Holmes (Spanish Very new adventures of Sherlock Holmes), seven short parodic stories originally published in magazines in 1928 and several times published in book form.
- Roger Jaynes: Two Holmesian novels and a short story in Sherlock Holmes and the Three Poisoned Pawns
- Watkins Jones : Sherlock Holmes and the Occult: The Case of the Scarlet Women a confrontation with the infamous black magician Aleister Crowley
- Marvin Kaye: editor with David Stuart Davies of The Game is Afoot: Parodies, Pastiches and Ponderings of Sherlock Holmes, an anthology of twenty short stories detailing untold incidents involving the RMS Titanic, childhoods of Holmes and Watson, and Holmes' rematching with Irene Adler
- Stephen King: "The Doctor's Case", in which Watson solves a case before Holmes.
- John R. King: The Shadow of Reichenbah Falls
- Laurie R. King: The Mary Russell series of novels set in Holmes' later life (ongoing as of February 2009).
- Ronald A. Knox: "The Adventure of the First-Class Carriage" in The Further Adventures of Sherlock Holmes, 1985.
- Michael Kurland: anthologies & books: The Infernal Device (1978), Death by Gaslight (1982), The Great Game (2001), Empress of India (2006); and the short story "Reichenbach" in Sherlock Holmes: The Hidden Years, 2004. In this series, Professor Moriarty is the real hero who helps the bewildered Holmes solve crimes by providing him clues to discover the real villains.
- Neil Jackson: Celeste in which Holmes and Watson are involved in an X-Files style story surrounding a mysterious sailing vessel that also involves the Prince of Wales. (2010)
Read more about this topic: List Of Authors Of New Sherlock Holmes Stories