| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Grand Canyon Treks: 12,000 Miles Through the Grand Canyon | 978-O-964753O-2-O (O-964753O-2-2) | 1998 | Scott Baxter |
G. Hall · J. G. · J G Hall · J. H. · J. Hall · Joseph-G · Joseph H. · Joseph Hall