Murphy, Joseph, 1898- The power of your subconscious mind : one of the most powerful self-help guides ever written! / Joseph Murphy ; revised by Ian McMahan. - Revised and expanded edition. - 253 pages ; 20 cm. ISBN: 0743408187 (pbk.) RM49.90 9780735201682 (pbk.) Subjects--Topical Terms: Mental discipline.Subconsciousness.