{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Janos Bolyai, Non-Euclidean Geometry, and the Nature of Space","author_name":"Jeremy J. Gray","thumbnail_url":"https://www.ebooknetworking.net/books/026/257/big0262571749.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0262571749.html\">Janos Bolyai, Non-Euclidean Geometry, and the Nature of Space</a>","width":400,"height":300}