{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Mathematics of the Heavens and the Earth: The Early History of Trigonometry","author_name":"Glen Van Brummelen","thumbnail_url":"https://www.ebooknetworking.net/books/069/112/big0691129738.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0691129738.html\">The Mathematics of the Heavens and the Earth: The Early History of Trigonometry</a>","width":400,"height":300}