{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A short system of arithmetic and book-keeping. With a supplement; containing answers to the arithmetical questions","author_name":"Robert Hamilton","thumbnail_url":"https://www.ebooknetworking.net/books/117/810/big1178100774.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1178100774.html\">A short system of arithmetic and book-keeping. With a supplement; containing answers to the arithmetical questions</a>","width":400,"height":300}