{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Bletchley Park Brainteasers: The World War II Codebreakers Who Beat the Enigma Machine--And More Than 100 Puzzles and Riddles That Inspired Them","author_name":"McKay, Sinclair","thumbnail_url":"https://www.ebooknetworking.net/books/163/506/big1635061180.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1635061180.html\">Bletchley Park Brainteasers: The World War II Codebreakers Who Beat the Enigma Machine--And More Than 100 Puzzles and Riddles That Inspired Them</a>","width":400,"height":300}