An exciting and deeply moving story of survival, courage, and friendship on the Appalachian Trail. Toby has to finish the final thing on The List. It's a list of brave, daring, totally awesome things that he and his best friend, Lucas, planned to do together, and the only item left is to hike the Appalachian Trail. But now Lucas isn't there to do it with him. Toby's determined to hike the trail alone and fulfill...