The Valley of Fear

The Valley of Fear is the fourth and final Sherlock Holmes novel by Sir Arthur Conan Doyle.
Summoned to a mysterious manor house by one of the henchmen of his arch nemesis, Professor Moriarty, Holmes and Watson find themselves confronted by the scene of a brutal murder. But the brilliant Holmes soon reveals that there is much more to this case than first meets the eye...
This fourth and final Sherlock Holmes novel will delight fans of Conan Doyle's legendary detective and his faithful sidekick Watson.