MacDonald, Lucy you can be an optimist : Change Your Thinking, Change Your Life / Lucy MacDonald . - London, United Kingdom : Watkins Publishing , 2004 . - 159 pages ; 20 cm . ISBN: 9781780287539 Subjects--Topical Terms: Motivation (Psychology)Personality Self-actualization (Psychology)Self-esteem Dewey Class. No.: 158.1 MAC 2004