{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Doctrine of Proportion Clearly Developed: On a Comprehensive, Original, and Very Easy System; Or, the Fifth Book of Euclid Simplified","author_name":"Oliver Byrne","thumbnail_url":"https://www.ebooknetworking.net/books/114/672/big1146729022.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1146729022.html\">The Doctrine of Proportion Clearly Developed: On a Comprehensive, Original, and Very Easy System; Or, the Fifth Book of Euclid Simplified</a>","width":400,"height":300}