{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Simple Rules and Problems in Navigation","author_name":"Charles H. Cugle","thumbnail_url":"https://www.ebooknetworking.net/books/151/971/big1519719086.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1519719086.html\">Simple Rules and Problems in Navigation</a>","width":400,"height":300}