Spencer Holmes and Erica Houdini return for another supernatural case of mayhem. But this time their investigation leads them to Victorian England, where the world's most famous detective (and Spencer's ancestor), Sherlock Holmes, was ensnared in a deadly game of his own, against his most malevolent nemesis, Professor James Moriarty. What secrets lie in this dark tale, and what could Moriarty be dabbling in that brings in the famed vampire hunter-Liesel Van Helsing?? Don't miss this centuries-spanning mystery that will change everything we thought we knew about the great detective!