are strong additions to their expanding day hike series

Edition Date: 18-Mar-1988

Leads and spare points included

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it's everything

Celestial Navigation for Yachtsmen: 13th edition How-To Boatbuilding are strong additions to theirDon't leave shore without this easy to use celestial favorite navigation primer it could save your life! Huge advances in electronic navigation since the original publication of Celestial Navigation have transported offshore navigators to a world of press button convenience. Traditional navigation skills and technology free position finding are still vital, though, especially when things go wrong, as they will: batteries fail, antennas go overboard,