{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Arithmetic by Grades for Inductive Teaching, Drilling and Testing, Volume 1","author_name":"John Tilden Prince","thumbnail_url":"https://www.ebooknetworking.net/books/114/753/big1147539340.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1147539340.html\">Arithmetic by Grades for Inductive Teaching, Drilling and Testing, Volume 1</a>","width":400,"height":300}