Creative ability
5 books
Six Thinking Hats
1988
ISBN 9780961540050
To Sell is Human: The Surprising Truth About Moving Others
1656
ISBN 9788087270639
Wreck this Journal
2007
ISBN 9780399533464
Churchill's Black Dog and Other Phenomena of the Human Mind
1989
ISBN 9780006375661- No cover
How to Expand Your Creativity
2017
ISBN 9789811125553