This father-and-son team Bob and Mike Burns have extensive experience using the Global Positioning System. They provide a primer on using GPS in the wilderness, on water, and with a home computer and smart devices and give advice on how to what to do if one gets lost despite GPS. The book includes illustrations and information on interpreting and using maps and charts, and using a map and compass together. Annotation ©2013 Book News, Inc., Portland, OR (booknews.com)