Yeah it’s fairly good. I think it works better in A study in Scarlet than in The Sign Of Four. But then A Study on Scarlet has more of a standard detective structure where you have to piece together the clues of the crime whereas The Sign Of Four seems less interested in having a puzzle to solve and more excited in having a chase.

Totally up to the literary estate, if they want to see their relative’s work keep going then whose to say they’re wrong. Sometimes it doesn’t work but at the end of the day posthumous works have no bearing on the original texts so it’s all good. Every year there’s a bunch of Sherlock Holmes or Dracula books but it doesn’t affect the quality or reception of the original works.