A Comprehensive Guide to Land Navigation with GPS. Alexis Publishing. This book, published by the same publisher that does the maps above, gives an in-depth introduction to the fundamentals and use of GPS. Recommended for those beginning to use GPS units.
GPS Made Easy. Mountaineers Press. 1995, 1st edition. This book tells you all you need to know about using hand-held GPS receivers for accurate navigation in the outdoors. It explains how GPS works, describes the features of GPS receivers, and gives practical examples of how to use GPS receivers in a variety of outdoor situations. Softcover, 112 pages.