The game is once again afoot in this thrilling mystery from the best-selling author of The House of Silk, sanctioned by the Conan Doyle estate, which explores what really happened when Sherlock Holmes and his arch nemesis Professor Moriarty tumbled to their doom at the Reichenbach Falls.
___The Valley of Fear is notable for the involvement of Professor Moriarty, which contradicts the timeline of the story. In The Final Problem, Dr. Watson was first alerted by Sherlock Holmes to the existence of Professor Moriarty. In the same story, Professor Moriarty dies in the confrontation with Sherlock Holmes, as explained in The Adventure of the Empty House, leaving no time in between the two events for any other story regarding the Professor. However, in The Valley of Fear, Professor Moriarty has been mentioned by Sherlock, and Dr. Watson had appeared to know both about the Professor's evil acts, and how little he is known.
Professor Moriarty: The Hound of the D'Urbervilles
Imagine the twisted evil twins of Holmes and Watson and you have the dangerous duo of Prof. James Moriarty - wily, snake- like, fiercely intelligent, unpredictable - and Colonel Sebastian 'Basher' Moran - violent,politically incorrect, debauched.