author : John PiperJohn Piper, pastor of Bethlehem Baptist Church in Minneapolis since 1980, is the author of The Dangerous Duty of Delight, Desiring God, Future Grace, A Godward Life, and The Pleasures of God. He received his doctorate in theology from the University of Munich and taught biblical studies for six years at Bethel College, St. Paul, before becoming a pastor. He and his wife, Noel, have four sons and one daughter. From the Hardcover edition.