{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Hitchhiker's Guide to Calculus","author_name":"Michael Spivak","thumbnail_url":"https://www.ebooknetworking.net/books/088/385/big0883858126.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0883858126.html\">The Hitchhiker&#039;s Guide to Calculus</a>","width":400,"height":300}