| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1997 | 978-1-888898-02-6 | Robert Decker · Barbara Decker | Road Guide To Lassen Volcanic National Park |
| 1999 | 978-1-888898-05-7 | Robert Decker · Barbara Decker | Road Guide to Joshua Tree National Park |
| 2003 | 978-1-888898-07-1 | '' | Road Guide to Hawaii Volcanoes National Park |
| 2004 | 978-1-888898-08-8 | '' | Road Guide to Death Valley National Park, Updated Edition |
| '' | 978-1-888898-09-5 | Robert Decker | Road Guide to Crater Lake National Park, Third Edition, Updated |
| 2006 | 978-1-888898-10-1 | Robert Decker · Barbara Decker | Road Guide To Joshua Tree National Park |
| 2007 | 978-1-888898-11-8 | '' | Road Guide to Hawaii Volcanoes National Park |