{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"John Napier and the invention of logarithms, 1614","author_name":"Ernest William Hobson","thumbnail_url":"https://www.ebooknetworking.net/books/B00/61C/bigB0061CR9GE.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0061CR9GE.html\">John Napier and the invention of logarithms, 1614</a>","width":400,"height":300}