Alpha · Gps Navigator Magazine.Com
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| GPS Navigation Guide | 978-0-9719814-0-9 (0-9719814-0-X) | 2002 |
| The Complete Idiot's Guide to Geocaching | 978-1-59257-235-9 (1-59257-235-9) | 2004 |
J. Peters · J.W. · Jack W · W.P. · W. Peters