{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The schoolmaster's assistant; being a compendium of arithmetic, both practical and theoretical. In five parts. ... To which is prefixed, an essay on ... ... A new edition. By Thomas Dilworth, ...","author_name":"Thomas Dilworth","thumbnail_url":"https://www.ebooknetworking.net/books/117/082/big1170829562.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1170829562.html\">The schoolmaster&#039;s assistant; being a compendium of arithmetic, both practical and theoretical. In five parts. ... To which is prefixed, an essay on ... ... A new edition. By Thomas Dilworth, ...</a>","width":400,"height":300}