{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Sphere Packing, Lewis Carroll and Reversi (New Martin Gardner Mathematical Library)","author_name":"Martin Gardner","thumbnail_url":"https://www.ebooknetworking.net/books/052/174/big0521747015.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0521747015.html\">Sphere Packing, Lewis Carroll and Reversi (New Martin Gardner Mathematical Library)</a>","width":400,"height":300}