The first book in the MonsterGrrls series! When the new girls at Clearwater High turn out to be MONSTERS, something strange is bound to happen! But Emily and Theo, two lonely social outcasts at Clearwater, soon make friends with Frankie, Bethany, Punkin and Harriet--the MonsterGrrls. When the Grrls are challenged by the spoiled Jessica Hardin-St. James and her Clique to spend a night in a supposedly haunted house, they accept... but something is already there, waiting. And it doesn't like monsterkind...