With help from his best friend, Sarah, and a hot air balloon, Tom flees Yorkshire, escaping from Weatherly Orphanage and the clutches of a relentless detective, in pursuit of the truth about himself and his mysterious past: Are his parents still alive? As Tom and a memorable cast of both heroic and dastardly characters unravel a royal mystery that could change the course of history, readers are taken on a breathless journey to a surprise ending that will leave them clamoring for more .