{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Moscow Puzzles: 359 Mathematical Recreations","author_name":"Boris A. Kordemsky","thumbnail_url":"https://www.ebooknetworking.net/books/B07/2NF/bigB072NF9SSJ.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B072NF9SSJ.html\">The Moscow Puzzles: 359 Mathematical Recreations</a>","width":400,"height":300}