{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Zahlvergnugen: Everything you always wanted to know about math but didn't know how to ask","author_name":"Martin R. Christensen","thumbnail_url":"https://www.ebooknetworking.net/books/145/289/big1452896410.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1452896410.html\">Zahlvergnugen: Everything you always wanted to know about math but didn&#039;t know how to ask</a>","width":400,"height":300}