| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2004 | 978-0-9744480-0-8 | Mort Fertel | Marriage Fitness: 4 Steps to Building & Maintaining Phenomenal Love |
| '' | 978-0-9744480-1-5 | Mort Fertel | Marriage Fitness: 4 Steps to Building & Maintaining Phenomenal Love |
| 2010 | 978-0-9744480-2-2 | '' | 43 Ways to Make a Good Marriage Great |