Cathy Deddo (M.A., Fuller Theological Seminary) is a former InterVarsity Christian Fellowship staff member and has taught women's Bible studies for twenty years. She and her husband, Gary Deddo (Ph.D., University of Aberdeen), currently provide Bible study resources and seminar opportunities at www.trinitystudycenter.com. Deddo previously published A Devotional Guide to the Writings of George MacDonald (St. Andrew, 1996).