Kevin Belmonte Author, "D.L. Moody: A Life"

Kevin Belmonte is the author of the award-winning biography, "William Wilberforce: A Hero for Humanity." For six years he was the lead historical consultant for the film, "Amazing Grace." His most recent book is "Miraculous: A Fascinating History of Signs, Wonders, and Miracles" (Thomas Nelson/HarperCollins).