Mary C. Earle is a poet, author, and spiritual director, who taught at the Episcopal Theological Seminary of the Southwest in Austin, Texas. She has written ten books about spirituality. Her titles include Marvelously Made, Days of Grace, The Desert Mothers, and Broken Body, Healing Spirit. She resides in San Antonio, Texas.
Phyllis Tickle (1934–2015) was an authority on religion in America and a much sought after lecturer on the subject. Founding editor of the Religion Department of Publishers Weekly, she has been frequently quoted by media sources including USA Today, Christian Science Monitor, the New York Times, PBS, NPR, the Hallmark Channel, plus innumerable blogs and websites. In addition to lectures and numerous essays, articles, and interviews, Tickle is the author of over two dozen books in religion and spirituality, including The Great Emergence, How Christianity is Changing and Why, and The Words of Jesus, A Gospel of the Sayings of Our Lord.