Presents a collection of fifteen Sherlock Holmes stories that features pieces previously published in literary journals and two new works, including "The Lowther Park Mystery" and "The Adventure of the Thames Tunnel."

Sherlock Holmes has always been the smartest man in the room, until now. There is a new criminal mastermind at large, Professor James Moriarty, and not only is he Holmes's intellectual equal, but his capacity for evil, coupled with a complete lack of conscience, may give him an advantage over the renowned detective. Holmes's investigation into Moriarty's plot becomes more dangerous as it leads him and Watson out of London to France, Germany, and finally...

The famed detective Sherlock faces the possibility of losing his one of a kind deductive skills when he is diagnosed with Post-Concussion Syndrome, a disorder that causes physical and cognitive symptoms including memory loss. With his career, calling and sobriety all at stake, he must rely even more on his steadfast partner Dr. Joan Watson. Together, they continue in their mission to crack the NYPD's most baffling crimes and puzzling cases.