{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Mathematical recreations and essays","author_name":"W W. Rouse 1850-1925 Ball","thumbnail_url":"https://www.ebooknetworking.net/books/117/836/big1178363791.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1178363791.html\">Mathematical recreations and essays</a>","width":400,"height":300}