D. T. · Duncan Todd M · Todd Duncan
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Power to Be Your Best! Jak odnalezc to, czego naprawde w zyciu pragniesz… i dostac to | 978-83-7746-069-6 (83-7746-069-6) | 2012 |
| Zycie na linie | 978-83-7746-111-2 (83-7746-111-0) | 2012 |