{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Mathematical Puzzles","author_name":"Martin Gardner","thumbnail_url":"https://www.ebooknetworking.net/books/069/052/big0690523602.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0690523602.html\">Mathematical Puzzles</a>","width":400,"height":300}