| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Stay Calm And Collect It: The Art Of Negotiating Properly | 978-1-5390-9019-9 (1-5390-9019-1) | 2016 |
| The Debt Collection Industry Is Calling: An Introduction To Your Career | 978-1-5370-8490-9 (1-5370-8490-9) | 2016 |