De Bono, Edward, 1933- Simplicity / Edward de Bono. - London : Penguin Books, 1999. - 304 p. ; 20 cm. Originally published: London: Viking, 1998. ISBN: 9780141033099 (pbk.) Subjects--Topical Terms: Simplicity.Thought and thinking.Lateral thinking. Dewey Class. No.: 179.9 / DEB 1999