Despite the bloody legacy he's inherited, Max always tries to be kind and fair to the ghouls, demons, and other creatures he encounters. So he's confused when monsters start attacking him willy-nilly--even those he thought of as friends. Max discovers he's been cursed by an evil Warlock who intends to reclaim the earth for the monsters. To save his life, Max must rely on his gearhead friend Syd, his boy-genius neighbor Wing, and his brand-new puppy for help. But time is running out, and if they can't figure out how to break the Thirteenth Curse, Max--and the world as we know it--will be in deep, deep trouble...