Robertson Publishing · Various small imprints
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Good Soldier: How to Fight Well, Finish the Race, and Keep the Faith | 978-0-578-58236-8 (0-578-58236-8) | 2020 |
| The Warrior and The Monk: A Fable About Fulfilling Your Potential And Finding True Happiness | 978-1-61170-272-9 (1-61170-272-0) | 2018 |