{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Essentials of Calculus","author_name":"","thumbnail_url":"https://www.ebooknetworking.net/books/131/305/big1313058459.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1313058459.html\">Essentials of Calculus</a>","width":400,"height":300}