| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2001 | 978-0-9704572-0-2 | Professional Review Guide | 'Professional Review Guide for the CCSP Examination 2001 |
| 2002 | 978-0-9704572-1-9 | Patricia Schnering | Professional Review Guide for the Rhia and Rhit Examinations |
| 2003 | 978-0-9704572-5-7 | PRG Publishing | PRG Quick Notes: Medical Billing |