The Lily Sparrow Chronicles

15 year old Lily Sparrow loves factual, mathematical logic. So when her mother confesses that Lily's deceased father is (a) not dead, (b) coming to dinner, and © the ruler of a fairy tale world accessible through the upstairs bathtub, Lily clings to math to help make sense of this new double life. Lily finds herself being pulled into a mystery involving an unhappy Cinderella, a greasy sycophant called Levi, and a slew of vanishing fairy tale characters. Can Lily save her new friends before they vanish forever?