D B · Denis Bischoff · Denis Bishop · Dennis Bishop
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Your Guide to the Grand Canyon | 978-0-89051-501-3 (0-89051-501-8) | 2008 | Tom Vail · Mike Oard · John Hergenrather |
| Your Guide to Zion and Bryce Canyon | 978-0-89051-580-8 (0-89051-580-8) | 2010 | Mike Oard · Tom Vail · John Hergenrather |