The Return of Sherlock Holmes and the novel The Valley of Fear are included in this new addition to the Sherlock Holmes saga.

Sir Arthur Conan Doyle (1859-1930) was a Scottish physician and prolific writer of fiction and nonfiction. He is most well-known for his four novels and fifty-six short stories featuring the legendary and eccentric detective Sherlock Holmes.

Daniel Stashoweris a member of the Baker Street Irregulars and is the author of Teller of Tales: The Life of Arthur Conan Doyle and The Beautiful Cigar Girl: Mary Rogers, Edgar Allen Poe, and the Invention of Murder. He is also a co-editor of several other books about Sherlock Holmes and his creator, including Arthur Conan Doyle: A Life in Letters.