Andy Wadsworth
Cover/Jacket Design by 3
| Title | Format | |
|---|---|---|
 | The 5-Day Course in Thinking | Trade Paperback |
 | Six Thinking Hats | Trade Paperback |
 | The Use of Lateral Thinking | Paperback |
| Title | Format | |
|---|---|---|
| The 5-Day Course in Thinking | Trade Paperback |
| Six Thinking Hats | Trade Paperback |
| The Use of Lateral Thinking | Paperback |