|aAlternate England, 1851. Lessons in the art of espionage aboard Mademoiselle Geraldine's floating dirigible have become tedious. Sophronia would much rather be using her skills to thwart the dastardly Picklemen, yet her concernsabout their wicked intentions are ignored, and now she's not sure whom to trust. What does the brusque werewolf dewan know? On whose side is the ever-stylish vampire LordAkeldama? A large-scale plot is under way, and when it comes to fruition, Sophronia must be ready to save her friends, her school, and all of London from disaster-- in decidedly dramatic fashion, of course.