{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Mathematical Recreations and Essays (Dover Recreational Math)","author_name":"W. W. Rouse Ball, H. S. M. Coxeter","thumbnail_url":"https://www.ebooknetworking.net/books/048/625/big0486253570.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0486253570.html\">Mathematical Recreations and Essays (Dover Recreational Math)</a>","width":400,"height":300}