Jerry Root (PhD, Open University) is professor of evangelism and director of the Evangelism Initiative at Wheaton College. He is the author of C.S. Lewis and a Problem of Evil: An Investigation of a Pervasive Theme, the coauthor of The Surprising Imagination of C.S. Lewis and The Sacrament of Evangelism, and the coeditor of The Quotable Lewis and The Soul of C.S. Lewis.