C.R. · C. Ray · International Cosmic Ray Conference
| title | ISBN-13 | year of publication |
|---|---|---|
| Fat Tire Tales & Trails: Arizona Mountain Bike Trail Guide | 978-0-9664769-8-9 | 2012 |
| Fat Tire Tales & Trails: Arizona Mountain Bike Trail Guide | 978-0-9664769-4-1 | 2004 |
| Favorite Hikes Flagstaff & Sedona 14th edition by Cosmic Ray Paperback | 978-0-9664769-7-2 | 2012 |
| Hiking Phoenix: Favorite Day Hikes | 978-0-9664769-5-8 | 2011 |
| Mountain Biking Arizona Guide: Fat Tire Tales & Trails | 978-0-9664769-6-5 | 2005 |