{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Professor Stewart's Casebook of Mathematical Mysteries","author_name":"Ian Stewart","thumbnail_url":"https://www.ebooknetworking.net/books/046/505/big0465054978.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0465054978.html\">Professor Stewart&#039;s Casebook of Mathematical Mysteries</a>","width":400,"height":300}