| title | ISBN-13 | year of publica- tion |
|---|---|---|
| Colorado & the Rockies for Dummies | 978-0-7645-5492-6 | 2003 |
| Frommer's Grand Canyon National Park | 978-0-7645-6583-0 | 2002 |
| Frommers Grand Canyon National Park | 978-0-02-863623-8 | 2000 |
| Frommer's Grand Canyon National Park | 978-0-02-862086-2 | 1998 |