{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Arithmetic by Grades: For Inductive Teaching, Drilling and Testing","author_name":"John Tilden Prince","thumbnail_url":"https://www.ebooknetworking.net/books/114/797/big1147979618.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1147979618.html\">Arithmetic by Grades: For Inductive Teaching, Drilling and Testing</a>","width":400,"height":300}