Sommers Evelyn K The tyranny of niceness : unmasking the need for approval / by Evelyn K. Sommers. - Toronto, Ont. ; Tonawanda, NY : Dundurn Group, c2005. - 238 p. ; 23 cm. Includes bibliographical references (p. [235]-238). ISBN: 1550025589 Subjects--Topical Terms: Selfactualization PsychologySocial acceptance LC Class. No.: BF637.S4 Dewey Class. No.: 158.2