Robin Harris
Cover Art by 3
 | The 5-Day Course in Thinking | Trade Paperback |
 | Six Thinking Hats | Trade Paperback |
 | The Use of Lateral Thinking | Paperback |
Illustrator 2
 | The Custard Stops At Hatfield | Hardback |
 | Collins Complete DIY Manual | Hardback |
| The 5-Day Course in Thinking | Trade Paperback |
| Six Thinking Hats | Trade Paperback |
| The Use of Lateral Thinking | Paperback |
| The Custard Stops At Hatfield | Hardback |
| Collins Complete DIY Manual | Hardback |