Illustrated edition with original illustrations by Arthur I. Keller, a famous United States painter and illustrator.„The Valley of Fear” is the fourth and final Sherlock Holmes novel by Sir Arthur Conan Doyle.Sherlock Holmes receives a message from Fred Porlock, an agent to Professor Moriarty. Moriarty is blameless in the eyes of the law but Holmes knows him to be „the controlling brain of the und...