{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Line Of Position Navigation:: Sumner And Saint-Hilaire: The Two Pillars Of Modern Celestial Navigation","author_name":"Michel Vanvarenbergh, Peter Ifland","thumbnail_url":"https://www.ebooknetworking.net/books/158/832/big1588320685.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1588320685.html\">Line Of Position Navigation:: Sumner And Saint-Hilaire: The Two Pillars Of Modern Celestial Navigation</a>","width":400,"height":300}