{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Britain's Best Kept Secret: Ultra's Base at Bletchley Park","author_name":"Ted Enever","thumbnail_url":"https://www.ebooknetworking.net/books/075/092/big0750923555.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0750923555.html\">Britain&#039;s Best Kept Secret: Ultra&#039;s Base at Bletchley Park</a>","width":400,"height":300}