{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"10 Simple Tricks of Mental Math","author_name":"Reuven Rosenfeld","thumbnail_url":"https://www.ebooknetworking.net/books/149/591/big1495914348.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1495914348.html\">10 Simple Tricks of Mental Math</a>","width":400,"height":300}