Anyone with a Hogwarts-shaped hole in their lives can't miss the second book in this fantasy series. Escape to Lundinor, the underground city that holds the world's greatest treasures . . . and its biggest threats. Part Tim Burton, part J.K. Rowling A terrific series. --Soman Chainani, New York Times bestselling author of the School for Good and Evil series Ivy and her older brother, Seb, are...