{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Why It's Difficult to Understand \"A Brief History of Time\"","author_name":"Dr. Bingcheng Zhao","thumbnail_url":"https://www.ebooknetworking.net/books/154/134/big1541348478.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1541348478.html\">Why It&#039;s Difficult to Understand &quot;A Brief History of Time&quot;</a>","width":400,"height":300}