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

Learn basic and advanced techniques for using GPS to enhance your favorite outdoor activities, from hiking to fishing. Hikers, backpackers, mountain bikers, ang

A classic navigation tool returns, newly updated to reflect the latest advances in GPS technology and including everything a modern explorer of all skill levels

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

Designed to provide teachers and administrators with a range of practical suggestions for making the schoolyard a varied and viable learning resource, Moving th