Gladwell, Malcolm The tipping point how little things can make a big difference / by Gladwell, Malcolm - London Abacus an imprint of Little Brown Book Group 2010 - 279p. 20cm. ISBN: 9780349113463 Subjects--Topical Terms: CausationContext effects-PsychologySocial change-Psychological aspects Dewey Class. No.: 302 / GLA