{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Winning Ways for Your Mathematical Plays, Volume 4","author_name":"Elwyn R. Berlekamp, John H. Conway, Richard K. Guy","thumbnail_url":"https://www.ebooknetworking.net/books/156/881/big1568811446.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1568811446.html\">Winning Ways for Your Mathematical Plays, Volume 4</a>","width":400,"height":300}