| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Mac's Pocket Guide: Glacier National Park, Birds & Mammals | 978-1-59485-023-3 | 2005 | Stephen Whitney |
| Mac's Pocket Guide: Glacier National Park, Trees & Flowers | 978-1-59485-022-6 | 2005 | " |
| Mac's Pocket Guide: Grand Canyon National Park, Birds & Mammals | 978-1-59485-020-2 | 2005 | " |
| Mac's Pocket Guide: Grand Canyon National Park, Trees, Flowers, & Cacti | 978-1-59485-027-1 | 2005 | " |
| Mac's Pocket Guide: Isle Royal National Park | 978-1-59485-021-9 | 2005 | " |
| Mac's Pocket Guide: Southwest, Park & Garden Birds | 978-1-59485-017-2 | 2005 | " |
| Mac's Pocket Guide: Southwest, Things That Bite & Sting | 978-1-59485-018-9 | 2006 | " |