D. I. · David I. · Dr. David Illig
| title | ISBN-13 | year of publication |
|---|---|---|
| Be Positive | 978-0-86580-034-2 | 2001 |
| Overcoming Procrastination | 978-0-86580-017-5 | 2002 |
| Reduce Stress & Anxiety | 978-0-86580-010-6 | 2001 |
| Self-Confidence | 978-0-86580-008-3 | 2001 |
| Self-Esteem | 978-0-86580-025-0 | 2002 |
| Weight Loss | 978-0-88676-449-4 | 2000 |
| Weight Loss & Self-Improvement | 978-0-86580-065-6 | 2002 |