The adventures of the Baker Street Irregulars continue in the fourth volume of the award-winning comics series based on Arthur Conan Doyle’s Sherlock Holmes.After three years spent waging a secret war against the former associates of Professor Moriarty, it’s time for Sherlock Holmes to emerge from the shadows and once again inhabit Baker Street. But first he must take down the last and most dangerous member of Moriarty’s network: the cold-blooded killer Colonel Moran. While H