{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Field fortifications, etc.: a text-book for the use of the cadets of the United States military acadeemy at West Point, N.Y","author_name":"J B. 1830-1886 Wheeler","thumbnail_url":"https://www.ebooknetworking.net/books/117/736/big1177369346.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1177369346.html\">Field fortifications, etc.: a text-book for the use of the cadets of the United States military acadeemy at West Point, N.Y</a>","width":400,"height":300}