Tyson, Donald. Scrying for beginners : tapping into the supersensory powers of your subsconscious / Donald Tyson. - 1st ed. - St. Paul, Minn. : Llewellyn Publications, 1997. - xviii, 293 p. ; 21 cm. Includes bibliographical references (p. 287-293). ISBN: 1567187463 (pbk.) LCCN: 96050071 Subjects--Topical Terms: Automatism.Crystal gazing. LC Class. No.: BF1321 / .T87 1997 Dewey Class. No.: 133.3