{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A History of Elementary Mathematics, With Hints on Methods of Teaching","author_name":"Florian Cajori","thumbnail_url":"https://www.ebooknetworking.net/books/111/708/big1117084876.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1117084876.html\">A History of Elementary Mathematics, With Hints on Methods of Teaching</a>","width":400,"height":300}