De Bono, Edward Lateral thinking creativity step by step - New york Happer Perennial 1970 - 300 p. ; 20 cm. ISBN: 0060903252 (pbk) Subjects--Topical Terms: Lateral Thinking --The why mind works--Attitudes towards literal thinking --Brainstorming --Analogies --RIMS Dewey Class. No.: 153.35 / BON