{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Fifty Lectures for Mathcounts Competitions  (3)","author_name":"Jane Chen, Yongcheng Chen","thumbnail_url":"https://www.ebooknetworking.net/books/146/369/big1463692056.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1463692056.html\">Fifty Lectures for Mathcounts Competitions  (3)</a>","width":400,"height":300}