sentences:  He was the author of multiple Bible Studies published by the United Methodist Publishing House as well as a groundbreaking study called "Christian Believer" which attempts to teach Methodist laity systematic theology.His addition to the field of homiletics is the concept of the "Biographical Sermon", teaching a doctrine or biblical concept through the story of a real person's life.Biographical preaching can model methods for dealing with suffering and pain by telling the story of an exemplar's struggle with suffering and pain.