{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Ready Reckoner: Or Willcolkes's And Fryer's New And Much Admired System Of Arithmetic And Mental Calculations (1839)","author_name":"James Waddell,","thumbnail_url":"https://www.ebooknetworking.net/books/112/092/big1120921112.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1120921112.html\">The Ready Reckoner: Or Willcolkes&#039;s And Fryer&#039;s New And Much Admired System Of Arithmetic And Mental Calculations (1839)</a>","width":400,"height":300}