{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"First lessons in mental and written arithmetic: On the objective method","author_name":"Horatio N. Robinson","thumbnail_url":"https://www.ebooknetworking.net/books/B00/66O/bigB0066O2R0A.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0066O2R0A.html\">First lessons in mental and written arithmetic: On the objective method</a>","width":400,"height":300}