{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Nautical almanac and astronomical ephemeris (Volume 57)","author_name":"Great Britain. Nautical Almanac Office","thumbnail_url":"https://www.ebooknetworking.net/books/B00/300/bigB00300GWWW.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00300GWWW.html\">The Nautical almanac and astronomical ephemeris (Volume 57)</a>","width":400,"height":300}