Spurred by books such as Julia Cameron's "The Artist's Way" and Natalie Goldberg's "Writing Down the Bones, " interest in writing and spiritual growth is greater than ever. At the same time, personal growth books are mainstays of the bestseller lists. In "Writing Spiritual Books, " Hal Zina Bennett, who has coached such well-known writers as Shakti Gawain, Judith Orloff, and Jerry Jampolsky, blends these trends, showing readers how to focus on their...