{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Are You Smart or What? 128 Entertaining Mathematical Puzzles to Improve Your Logical Thinking","author_name":"Wei Lei","thumbnail_url":"https://www.ebooknetworking.net/books/753/386/big7533865952.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-7533865952.html\">Are You Smart or What? 128 Entertaining Mathematical Puzzles to Improve Your Logical Thinking</a>","width":400,"height":300}