{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The key to the Tutor's guide: or the arithmetician's repository. Containing the solutions of the questions, &c. in the Tutor's guide. ... the fourth ... revised and corrected. By Charles Vyse, ...","author_name":"Charles Vyse","thumbnail_url":"https://www.ebooknetworking.net/books/B00/9GG/bigB009GGTC2Q.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B009GGTC2Q.html\">The key to the Tutor&#039;s guide: or the arithmetician&#039;s repository. Containing the solutions of the questions, &amp;c. in the Tutor&#039;s guide. ... the fourth ... revised and corrected. By Charles Vyse, ...</a>","width":400,"height":300}