Heppell, Michael. How to be brilliant : change your ways in 90 days! / by Michael Heppell. - 2nd. - New Delhi : Dorling Kindersley, 2009. - 176p. English ISBN: 978131725054 Subjects--Topical Terms: Success.Success in business.Self-actualization (Psychology) Dewey Class. No.: 658.4 / HEP/H