Would you agree to go on a perilous TOP SECRET mission to save your best friend from the creaking gibbet?Mabel Jones is on her way to the city of Otom in search of the legendary Doomsday Book – an ancient document that might help her save the hooman race.But Otom is a dangerous place, packed with soldiers, spies and stinking rebels. Can Mabel escape with the book, or will she fall victim to the dreaded Grand Zhoul . . . ?
