* 176 pages
* Publisher: Mountaineers Books
* ISBN: 978-1-59485-945-8
* Published: Feb 24, 2015
* Paperback

Updates:
* Improved throughout for clarity, with chapter objectives presented at the beginning of each chapter and summaries, "skills check" mini-quizzes, and practice problems listed at the end
* Updated descriptions of the most current maps, compasses, altimeters, and Global Positioning System (GPS) receivers
* Updated declination maps for the United States and the world (declination changes over time and compasses must be adjusted for a specific location to provide correct readings)
* Much-expanded GPS chapter, including interfacing the GPS receiver with the home computer, maximizing battery life, and using the GPS function on a “smart” phones (along with a description of their limitations)
* Additional information on non-GPS navigational techniques
* Recommended websites, apps, and other sources of useful navigational information