| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Born Wild in the Smokies | 978-1-56037-415-2 (1-56037-415-2) | 2007 |
| Shenandoah National Park Simply Beautiful | 978-1-56037-416-9 (1-56037-416-0) | 2007 |
A.S. · A. Simpson · Ann Simpson · B. A. · B.S. · B. Simpson · P. A. · P S · P. Simpson