{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Twenty Years Before the Blackboard: The Lessons and Humor of a Mathematics Teacher (Spectrum)","author_name":"Michael Stueben, Diane Sandford","thumbnail_url":"https://www.ebooknetworking.net/books/088/385/big0883855259.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0883855259.html\">Twenty Years Before the Blackboard: The Lessons and Humor of a Mathematics Teacher (Spectrum)</a>","width":400,"height":300}