00537cam a2200181 4500 ocm70387169 2000050400000000 910627s unxxk 000 0 engFd 9780140137798 0140137793 (pbk) 153.43 20 De Bono, Edward, 1933-. Lateral thinking : a textbook of creativity / Edward de Bono. [Harmondsworth, Middlesex] : Penguin Books, 1970. 260 p. : ill. Creative ability. Lateral thinking. 3221 3221