Lauren F. Winner is the bestselling author of three books, including Girl Meets God and Mudhouse Sabbath: An Invitation to a Life of Spiritual Discipline. Dr. Winner has appeared on PBS's Religion & Ethics Newsweekly and has served as a commentator on NPR's "All Things Considered." She writes and lectures widely on Christian practice, the history of Christian America, and Jewish-Christian relations. She is Assistant Professor of Christian Spirituality at Duke Divinity School.