{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The tutor's assistant: being a compendium of practical arithmetic for the use of schools or private students : containing I. arithmetic in whole ... IV. duodecimals ... V. mensuration of superfi","author_name":"Francis Walkingame, William Birkin","thumbnail_url":"https://www.ebooknetworking.net/books/124/555/big1245555634.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1245555634.html\">The tutor&#039;s assistant: being a compendium of practical arithmetic for the use of schools or private students : containing I. arithmetic in whole ... IV. duodecimals ... V. mensuration of superfi</a>","width":400,"height":300}