The Conan Doyle Notes: The Secret of Jack the Ripper

"The Conan Doyle Notes: The Secret of Jack the Ripper," uncovers clues as to Why the Dog Did Not Bark in the Night. Sherlock Holmes concluded that it was because the intruder was known to the dog. Madsen's new mystery questions whether the identity of one of the greatest criminals of all time, Jack the Ripper, was deduced by Conan Doyle.