David ,Dr. Niven · David Niven · David Niven Jr. · David Niven Ph.D. · Douglas Niven · Dr. David Niven
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| 100 Simple Secrets of Happy Families | 978-1-84112-693-7 (1-84112-693-4) | 2005 |
| 100 Simple Secrets of Healthy People | 978-1-84112-694-4 (1-84112-694-2) | 2005 |
| 100 Simple Secrets of the Best Half of Life | 978-1-84112-697-5 (1-84112-697-7) | 2005 |