Schwartz, David J. Maximize your mental power : an inspirational guide wich shows you how to realize your potential and get what you want out of life / by David J. Schwartz - London : Thorsons, 1975 - xi, 225 p. ; 20 cm. ISBN: 0722513151 Hadiah Subjects--Topical Terms: Motivation (Psychology)SuccessPsychic ability