【實用商業app】THE PRACTICAL NAVIGATOR|最夯免費app-gigacircle

Welcome to Our Book Store, Legendary home of new, used and rare books. Since 1929. THE BEST SELLING BOATING BOOK IS NOW AVAILABLE AS A MOBILE APP. COMPLETE including all 37 original chapters and 37 navigation Tables. All original drawings and photographs included. U.S.NAVY training videos are included. This is a best possible resource for serious marine navigators. Chapters link to Wikipedia for latest info and other references.