For about $150 anyone can access the United States' multi-billion dollar GPS program. Using GPS Outdoors: A Practical Guide for Hikers, Bikers, Paddlers, and Cl

-- Clear language and illustrations demystify GPS-- Completely revised edition includes extensive new material on using GPS with maps and in rough terrain-- GPS

For outdoor adventurers who hike, fish, kayak, cross-country ski, or mountain bike in the backcountry, a GPS receiver can help them reach their destination and

The most complete, easy-to-use GPS book available written by an acclaimed GPS instructor and aimed at outdoor adventurers of all kinds, covering the fundamental

* GPS chapter completely updated to reflect newer models and features of GPS receivers now available * Expanded to include a section on routefinding on glaciers