Sherlock Holmes takes on his greatest challenge yet in his long-running battle against arch enemy Professor Moriarty—zombies, hungry for living flesh, enslaved by the evil Professor! Will the Great Detective’s incredible deductive skills solve the riddle of how a young writer named H. G. Wells and a German teenager, Albert Einstein, came to be involved? From a dirigible carrying a deadly cargo high over London to a sinister castle lurking in the beautiful English countryside, with thousands of lives hanging in the balance, Holmes and Dr. Watson race to thwart Moriarty’s evil scheme to wreak havoc and loot one of the world’s great cities! Part horror, part mystery, part steampunk—it’s a breathless adventure sure to entertain!