{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Math Challenge Problems for Elementary and Middle schools (Volume 1)","author_name":"Ardis Yang","thumbnail_url":"https://www.ebooknetworking.net/books/149/448/big1494486857.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1494486857.html\">Math Challenge Problems for Elementary and Middle schools (Volume 1)</a>","width":400,"height":300}