{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Mathcounts National Competition Practice","author_name":"Yongcheng Chen","thumbnail_url":"https://www.ebooknetworking.net/books/153/311/big1533116024.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1533116024.html\">Mathcounts National Competition Practice</a>","width":400,"height":300}