On a Sunday in May 2008, an F-5 tornado struck the town of Parkersburg, Iowa, killing eight people and destroying 250 homes and businesses within 34 seconds. The next day, Parkersburg's beloved football coach, Ed Thomas, made a stunning prediction: "God willing, we will play our first home game here on this field this season." One hundred days later, the home team scored a victory on the field they dubbed "The Sacred Acre," serving as a galvanizing...