{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Studies and Exercises in Formal Logic","author_name":"John Neville Keynes","thumbnail_url":"https://www.ebooknetworking.net/books/140/677/big1406772240.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1406772240.html\">Studies and Exercises in Formal Logic</a>","width":400,"height":300}