{"product_id":"ocean-navigator-book-kenneth-wilkes-9780713639247","title":"Ocean Navigator","description":"This reference on navigation covers: the RYA Ocean Yachtmaster syllabus; the use of the sextant; taking sights in heavy weather; planning an ocean voyage; hyperbolic and satellite navigation and the use of navigational calculators; and graded exercises with detailed model answers.","brand":"WoB","offers":[{"title":"GB \/ VERY_GOOD \/ INTERNAL","offer_id":49590234808593,"sku":"GOR001650511","price":20.89,"currency_code":"AUD","in_stock":true},{"title":"GB \/ GOOD \/ INTERNAL","offer_id":50700859015441,"sku":"GOR002380224","price":20.99,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/0713639245.jpg?v=1751360777","url":"https:\/\/www.worldofbooks.com\/en-au\/products\/ocean-navigator-book-kenneth-wilkes-9780713639247","provider":"World of Books ","version":"1.0","type":"link"}