Sherlock Holmes and the Valley of Fear
It is an adaptation of Sir Arthur Conan Doyle's novel "The Valley of Fear" ( 1915 ) , the fourth and final Sherlock Holmes novel featuring Sherlock Holmes and Dr . John Watson . 
<triplet> The Valley of Fear <subj> Sir Arthur Conan Doyle <obj> author <subj> Sherlock Holmes <obj> characters <subj> Dr. John Watson <obj> characters <triplet> Sherlock Holmes <subj> Sir Arthur Conan Doyle <obj> creator