{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Recreational Mathematics Magazine August 1961, Issue No. 4","author_name":"Joseph S. Madachy","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00DYF2NBC.html\">Recreational Mathematics Magazine August 1961, Issue No. 4</a>","width":400,"height":300}