| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Mountain, Canyon, and Backcountry Flying | 978-1-61954-741-4 (1-61954-741-4) | 2019 | R.K. "Dick" Williams |
| Mountain, Canyon, and Backcountry Flying: eBundle | 978-1-61954-745-2 (1-61954-745-7) | 2019 | " |