The Sign of the Four and play adaptations insure this book: The Sign of the Four was also adapted for radio by Bert Coules in 1989 as part of BBC Radio 4's complete audio Sherlock Holmes, with Clive Merrison as Holmes, Michael Williams as Watson, and featuring Brian Blessed as Jonathan Small. The Sign of the Four The Sign of the Four (1890), also called The Sign of Four, is the second novel featuring Sherlock Holmes written by Sir Arthur Conan Doyle. Doyle wrote four novels and 56 short stories featuring the fictional detective. The story is set in 1888. "The Sign of the Four"
Canon of Sherlock Holmes paragraphs cut, appears as the preface to "The Case-Book of Sherlock Holmes". "How I Made My List" (1927) This is the sequel to the article mentioned above. In it, Conan Doyle listed what he thought were the best Holmes adventures. He noted that had he been able to include stories from "The Case-Book of Sherlock Holmes" he would certainly have included "The Adventure of the Lion's Mane" and "The Adventure of the Illustrious Client". The list is as follows: Richard Lancelyn Green's "The Uncollected Sherlock Holmes" also includes five prefaces to the various editions of Sherlock Holmes stories and novels,