内容简介：
Kat Rogers is not enthusiastic about leaving her friends and missing ninth grade to be homeschooled on a year-long road trip with her family. She is also not happy about spending time in a confined RV with her younger brother, Brian. History is dull and battlefields are boring, until she sees a figure at the Gettysburg battlefield who captures her attention. He could be a young man dressed up to entertain visitors, except that she can see through him. Once Kat realizes that this Confederate soldier needs her help, she discovers that history isnat dull and battlefields can be interesting places. With the assistance of Brian and an eccentric lady from town, Kat works to resolve unanswered questions and free the ghostly Will from his very earthly concerns. Along the way she realizes that touring the country with her family might just be an exciting adventure.