The Last Station Master: A Boy, a Terrorist, a Secret, and Trouble

On his grandparents remote North Carolina farm for the summer, Nate discovers there's more happening on the rambling property than anyone realizes. To stop a terrorist's plot and prevent a military disaster, he must unravel the clues around him and use what he learns about the farm, the Underground Railroad, and the lost secrets of an old ghost to become the Last Station Master.