This crime novel dates back to 2014, but given the subject, it's timeless. Many people have attempted to continue Conan Doyle's Sherlock Holmes canon with mixed success. I think it's fair to say that Anthony Horowitz has been one of the most successful, by taking a distinctly tangential approach to the Holmes universe. That's not to say that there isn't some pastiche here. As well as the main novel, the book contains two short stories. One is Conan Doyle's own The Final Problem - the one where Conan Doyle, fed up with his creation, killed Holmes off at the Reichenbach Falls in Switzerland - this is accompanied by an insightful introduction by Horowitz. The other is a 'new' Sherlock Holmes short story featuring the Scotland Yard detective who will play a major part in the novel, Athelney Jones (who also appeared in one of the original Holmes stories). In the main novel, which is set shortly after Holmes and Moriarty apparently perish by plunging off the ...