In 1938 Brooklyn, detective Jack Diamond receives an urgent summons from Scotland Yard. They need his unique expertise for a baffling case dubbed "The Silent Scream." The horror began when an alchemist, attempting to cure his own lycanthropy, instead stumbled upon the power of invisibility. Now, this invisible werewolf is terrorizing London and its outskirts, leaving a trail of gruesome murders.Jack has just three months to track down this elusive killer before the creature sets its sights on mainland Europe. To crack the case, he's forced to call upon an old acquaintance-a vampire who was once his friend but is now his sworn enemy. Though invaluable, this supernatural ally cannot be fully trusted."The Silent Scream" promises a chilling blend of horror, mind-boggling puzzles, mind-boggling murders, and mind-boggling clues, all wrapped in a suspenseful race against time.