{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Joy of Mathematics: Marvels, Novelties, and Neglected Gems That Are Rarely Taught in Math Class","author_name":"Alfred S. Posamentier, Robert Geretschläger, Charles Li, Christian Spreitzer","thumbnail_url":"https://www.ebooknetworking.net/books/163/388/big1633882977.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1633882977.html\">The Joy of Mathematics: Marvels, Novelties, and Neglected Gems That Are Rarely Taught in Math Class</a>","width":400,"height":300}