Dudgeon, Piers. Breaking out of the box : the biography of Edward de Bono / Piers Dudgeon. - London : Headline, 2001, - 312 p : ill. ; 18 cm. ISBN: 074726452X Subjects--Topical Terms: De Bono, Edward--Biography.Businessmen--Great Britain--Biography.Lateral thinking. Dewey Class. No.: 153.4 DU BR