{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Celestial Navigation in the GPS Age","author_name":"John Karl","thumbnail_url":"https://www.ebooknetworking.net/books/B00/8PI/bigB008PIHY5I.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B008PIHY5I.html\">Celestial Navigation in the GPS Age</a>","width":400,"height":300}