Author: DE BONO, EDWARD.
Title: PO: Beyond Yes and No.
Description: London. Penguin Books, 1976., Pelican paperback. Reprint. "...maintains that most of us are trapped in the rigid confines of traditional ways of thinking." 176 pages. Illustrated with drawings & diagrams. Near fine cover, contents near fine, no inscription or marks. 1976

Keywords: Edward de Bono thinking thought