| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Glacier National Park Birds & Mammals | 978-1-59485-023-3 | 2006 | Stephen R. Whitney |
| Glacier National Park Flowers & Trees | 978-1-59485-022-6 | 2006 | " |
| Isle Royale National Park | 978-1-59485-021-9 | 2006 | " |
| Mac's Pocket Guide Grand Canyon National Park Birds & Mammals | 978-1-59485-020-2 | 2006 | Stephen R Whitney |
| Mac's Pocket Guide Grand Canyon National Park Flowers, Trees, & Cacti | 978-1-59485-027-1 | 2006 | Stephen R. Whitney |
| Mac's Pocket Guide Southwest Park & Garden Birds | 978-1-59485-017-2 | 2006 | Stephen R Whitney |
| Southwest Things That Bite & Sting | 978-1-59485-018-9 | 2006 | Stephen R. Whitney |
E.B. · E.H. · E Hart · Elizabeth B. · Elizabeth Briars · Elizabeth Hart