Donna Freitas is an author of books for both teens and adults. Her nonfiction books for adults include, most recently, "Sex and the Soul: Juggling Sexuality, Spirituality, Romance and Religion on America s College Campuses "(Oxford), based on a national study about the influence of sexuality and romantic relationships on the spiritual identities of America s college students. She is also a devoted fan of the celebrated British children s author Philip Pullman, and her book about the religious and ethical dimensions of his award-winning trilogy "Killing the Imposter God: Philip Pullman s Spirit...