The Ghost Roads

Danny Caulfield, a student at Wilson's school for spies, faces new threats as the man he thought was his father has been shot and the woman he thought was his mother has been taken hostage. Ambrose Longford, the leader of the Ring of Five, continues his scheme to control both the Upper World and Lower World, driving them to the brink of war. Danny and his friends must protect their vulnerable school and classmates while attempting to save those they love from Ambrose's destructive plans. This is the third book in the series.