{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Theory of Field-Fortification","author_name":"Charles Stanislas de Martemont","thumbnail_url":"https://www.ebooknetworking.net/books/115/101/big1151015253.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1151015253.html\">The Theory of Field-Fortification</a>","width":400,"height":300}