How to Have a Beautiful Mind
ISBN:9780091894603 (Paper cover book)
De Bono, Edward / Publisher:Ebury Pr Published 2008/04

How to Have Creative Ideas : 62 Exercises to Develop the Mind --
ISBN:9780091910488 (Paper cover book)
De Bono, Edward / Publisher:Ebury Press Published 2007/04

Lateral Thinking
ISBN:9780141033082 (Paper cover book)
De Bono, Edward / Publisher:Penguin Books Ltd Published 2010/01

best price for these books, please.