{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Treatise on Field Fortification","author_name":"Dennis Hart Mahan","thumbnail_url":"https://www.ebooknetworking.net/books/115/010/big1150104864.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1150104864.html\">A Treatise on Field Fortification</a>","width":400,"height":300}