Dowsing with metal rods or pendulums has been used for many years both as a diagnostic tool in homeopathic medicine and as a means of finding oil, mineral and water deposits. Professional dowsers are employed by the large oil corporations and the army to search for these deposits regularly. In Pocket Prophecy: Dowsing Shirley Wallis introduces the reader to the principles and practice of dowsing with L-rods, Y-rods, bobbers and pendulums. The Pocket Prophecy series offers a fascinating insight into the world's most exciting systems of divination. Informative, expertly written, and lavishly illustrated, these handy introductions will enable you to take control of your own destiny.