Sandy Larsen has written more than forty books and Bible studies with her husband Dale, including Growing Older and Wiser in the LifeGuide Bible Studies series.

Eugene H. Peterson (1932-2018) was a pastor, scholar, author, and poet. He wrote more than thirty books, including his widely acclaimed paraphrase of the Bible, The Message; his memoir, The Pastor; and numerous works of biblical spiritual formation, including Run with the Horses.

Dale Larsen has written more than forty books and Bible studies with his wife Sandy, including Growing Older and Wiser in the LifeGuide Bible Studies series.