Did Sir Edmund Gardner feature Sherlock Holmes arch enemy more or less than Sir Arthur Conan Doyle?
John Gardner (British writer): John Edmund Gardner (20 November 1926 – 3 August 2007) was an English spy and thriller novelist, best known for his James Bond continuation novels, but also for his series of Boysie Oakes books and three continuation novels containing Sir Arthur Conan Doyle's fictional villain, Professor Moriarty. Professor Moriarty:  The character was introduced primarily as a narrative device to enable Doyle to kill Sherlock Holmes, and only featured in two of the Sherlock Holmes stories.
three continuation novels containing Sir Arthur Conan Doyle's fictional villain,