{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Before Sudoku: The World of Magic Squares","author_name":"Seymour S Block, Santiago A Tavares","thumbnail_url":"https://www.ebooknetworking.net/books/019/536/big0195367901.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0195367901.html\">Before Sudoku: The World of Magic Squares</a>","width":400,"height":300}