Thirteen-year-old Lily Hartman always dreamed of adventure. A strong-willed girl, Lily felt trapped in a life of Victorian stuffiness at her prim boarding school. But after her father-a famous inventor-disappears on a routine zeppelin flight, Lily's life gets turned upside down. Now cared for by her guardian, the heartless Madame Verdigris, Lily is quite certain that she's being watched. Mysterious, silver-eyed men are lurking in the shadows, just...