Gary Zukav has proven to be one of the bestselling authors of psychological titles with spiritual insight. His first book, Soul Stories, was on PW's hardcover charts for 14 weeks; his second, The Seat of the Soul, racked up 97 weeks on the trade paper list from 1998 to 2001. Now The Heart of the Soul: Emotional Awareness, written with his "spiritual partner" Linda Francis, goes on the list after a one-day December 11 laydown. Simon & Schuster Source noted 300,000 copies in print after three trips to press. Strong sales were helped by Zukav's being Oprah's sole guest on December 12.