Walter Wangerin, Jr., has written award-winning books for both children and adults, including the bestsellers The Book of the Dun Cow and The Book of God. He is a nationally known speaker and storyteller, and teaches literature and creative writing at Valparaiso University. Tim Ladwig has illustrated and designed books for children and adults. His Psalm Twenty-Three was a finalist for the Gold Medallion Award in children's books. Ladwig lives in Wichita, Kansas.