{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Introductory Essay to the Study of Fortification, for Young Officers of the Army","author_name":"Hector Straith","thumbnail_url":"https://www.ebooknetworking.net/books/115/234/big1152342738.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1152342738.html\">Introductory Essay to the Study of Fortification, for Young Officers of the Army</a>","width":400,"height":300}