{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Treatise on Spherical Astronomy (Cambridge Library Collection - Astronomy)","author_name":"Robert Stawell Ball","thumbnail_url":"https://www.ebooknetworking.net/books/110/806/big1108064353.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1108064353.html\">A Treatise on Spherical Astronomy (Cambridge Library Collection - Astronomy)</a>","width":400,"height":300}