Showing Hearts of Stone by Kathleen Ernst

When her father goes off to join the Yankee troops, fourteen-year-old Hannah fears her family will be torn apart by the Civil War. But nothing prepares her for her mother's sudden death. Hannah now finds herself responsible for keeping the young family together in a world where even her best friend, Ben, sympathizes with the Confederacy. On a long and dangerous journey from Cumberland Mountain to Nashville, Tennessee, in search of their only living relative, Hannah and her brother and sisters come to realize the true meaning of family and hope. This is a beautifully crafted novel about the tragedy of war and the power of love even in the toughest of times.