"There is nothing more deceptive than an obvious fact". - Sherlock Holmes, The Boscombe Valley MysterySherlock Holmes is in possession of a pack of cards that once belonged to his diabolical nemesis Professor Moriarty. Can you decode the secrets that they hide? Is his nemesis back from the dead? Or is this all an elaborate trick left behind to plague the great detective?Open this book and join Holmes and his ever-loyal assistant Dr John Watson as you attempt to solve the mysteries that Moriarty has hidden within.With hidden messages, mysterious conundrums, and all manner of puzzles to solve you'll need to hone your own powers of logic and deduction to solve the puzzles that wait within!These narrative puzzles are accompanied by delightful illustrations inspired by the original Sherlock Holmes tales, recreating the cosy Victorian charm that the stories are so loved for.ABOUT THE SERIES: The Arcturus Classic Conundrums series brings together mind-bending narrative puzzles inspired by classic figures from history and literature, from ancient antiquity to modern greats.