{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Rapid Math and Magic with Numbers: Without Using a Calculator","author_name":"A. Frederick Collins","thumbnail_url":"https://www.ebooknetworking.net/books/144/954/big144954066X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-144954066X.html\">Rapid Math and Magic with Numbers: Without Using a Calculator</a>","width":400,"height":300}