| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Field Sales Excellence | 978-0-6485352-1-8 (0-6485352-1-5) | 2019 |
| Sales Coaching Excellence | 978-0-6485352-2-5 (0-6485352-2-3) | 2019 |
C.P. · Charles P. · J C · J. Charles · J. P. · John C. · John Charles · John P. · John Pennington