{"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 ... from the 43d Derby ed. rev. cor. ... compendium of book-keeping by single entry ;","author_name":"Francis Walkingame, William Birkin","thumbnail_url":"https://www.ebooknetworking.net/books/117/480/big1174803657.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1174803657.html\">The tutor&#039;s assistant ; being a compendium of practical arithmetic, for the use of schools or private students ... from the 43d Derby ed. rev. cor. ... compendium of book-keeping by single entry ;</a>","width":400,"height":300}