
The 13th edition of this bestselling book is proof of the success of Mary Blewitt`s concise & clear style in explaining a particularly difficult skill, & it has been the bible for many generations of ocean navigators. Since this book was first published, the huge advances in electronic navigation have transported most offshore navigators to a world of press-button convenience. However, there is still a vital need for traditional skills when things go wrong: batteries can fail, aerials go overboard, & electronics have been known to get wet.A bestseller for over 65 years, Celestial Navigation for Yachtsmen is a model of simplicity & clarity. The worked examples require only straightforward addition & subtraction, which explains why this book has truly earned its reputation for admirable conciseness & for making a tricky subject easy to underst&. This edition has been thoroughly revised by Andy Du Port, the highly respected ex-editor of Reeds Almanacs.` The ”bible” of navigation for generations of yachtsmen...worth its weight in gold` Sailing