{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"An Introduction to Spherical Trigonometry","author_name":"J.H.Clough- Smith","thumbnail_url":"https://www.ebooknetworking.net/books/085/174/big085174320X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-085174320X.html\">An Introduction to Spherical Trigonometry</a>","width":400,"height":300}