{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Treatise On Field Fortification: And Other Subjects Connected With The Duties Of The Field Engineer","author_name":"John Shortall Macaulay","thumbnail_url":"https://www.ebooknetworking.net/books/117/363/big1173638385.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1173638385.html\">A Treatise On Field Fortification: And Other Subjects Connected With The Duties Of The Field Engineer</a>","width":400,"height":300}