About the book: year / Readers familiar with the story "Sherlock Holmes and the Railway Maniac" should take into account that if in this story Watson is obviously , tells about the latest case of Sherlock Holmes, then "Sherlock Holmes and the Devil's Talisman" is a recording of a much earlier episode in the field of collaboration between Sherlock Holmes and Dr. Watson. The story apparently belongs to the pen of John G. Watson, M.D. Commented on and prepared for published by Barry Roberts.