| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Fifty State Summits, Guide with Maps to State Highpoints | 978-0-930584-07-8 (0-930584-07-4) | 2007 |
| Fifty state summits: Guide with maps to state highpoints | 978-0-930584-06-1 (0-930584-06-6) | 1999 |
| Fifty State Summits: Guide With Maps to State Highpoints | 978-0-930584-05-4 (0-930584-05-8) | 1988 |