James C. Wilhoit (PhD, Northwestern University) is the Scripture Press Professor of Christian Formation and Ministry at Wheaton College in Wheaton, Illinois, where he has taught for thirty years. He has authored numerous books, including Spiritual Formation as if the Church Mattered. Leland Ryken (PhD, University of Oregon) is professor emeritus of English at Wheaton College in Wheaton, Illinois, and the author or editor of nearly forty books, including Words of Delight: A Literary Introduction to the Bible.