{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Tour of the Calculus","author_name":"David Berlinski","thumbnail_url":"https://www.ebooknetworking.net/books/067/974/big0679747885.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0679747885.html\">A Tour of the Calculus</a>","width":400,"height":300}