De Bono, Edward, 1933- Lateral thinking: creativity step by step. - [1st U.S. ed.] - New York, Harper & Row [c1970] - 300 p. illus. 24 cm. ISBN: 9780060903251 ISSN: LCCN: 73181615 Subjects--Topical Terms: Lateral thinking. LC Class. No.: BF408 .D4 2015 Dewey Class. No.: 153.3/5