{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Mathematical Circle Diaries, Year 1: Complete Curriculum for Grades 5 to 7 (MSRI Mathematical Circles Library)","author_name":"Anna Burago","thumbnail_url":"https://www.ebooknetworking.net/books/082/188/big0821887459.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0821887459.html\">Mathematical Circle Diaries, Year 1: Complete Curriculum for Grades 5 to 7 (MSRI Mathematical Circles Library)</a>","width":400,"height":300}