Geocaching

This book is a guide to the relatively new, and exponentially growing, activity of geocaching. Geocaching is a treasure hunting game, using handheld global positioning system (GPS) receivers, that is now played worldwide. This book covers not only the fundamental principles and points of geocaching, but also covers such related topics as wilderness navigation, hiking, and outdoor safety. Combining the "how to" information -- the necessary technical background in GPS, navigation, and hiking--alon