Calvin Miller (1936-2012) was a professor at Beeson Divinity School. The beloved author of more than forty books, Miller was also well known as a poet, artist, novelist and speaker. His later works included Preaching (Baker), O Shepherd Where Art Thou? (Broadman Holman) and Conversations with Jesus (Harvest House). He summed up his rule of life in four words: "Time is a gift." Klaus Issler (Ph.D., Michigan State) is professor of Christian education and theology in the doctoral program in educational studies at Talbot School of Theology, Biola University, in La Mirada, California. He is the author of Wasting Time with God.