"E. K." · Erwin J. Keup · Erwin Keeve · Erwin Kube
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Franchise Bible | 978-1-932156-62-1 (1-932156-62-3) | 2004 |
| Franchise Bible: How to Buy a Franchise or Franchise Your Own Business | 978-1-59918-448-7 (1-59918-448-6) | 2012 |
| Franchise Bible: How to Buy A Franchise or Franchise Your Own Business | 978-1-59918-098-4 (1-59918-098-7) | 2007 |