{"product_id":"top-secret-ultra-breaking-luftwaffe-ciphers-at-bletchley-park-9781805001256","title":"Top Secret Ultra: Breaking Luftwaffe Ciphers at Bletchley Park","description":"\u003cp\u003e\u003cstrong\u003eFormat\u003c\/strong\u003e: Paperback \/ softback\u003cbr\u003e\u003cstrong\u003eLength\u003c\/strong\u003e: 256 pages\u003cbr\u003e\u003cstrong\u003ePublication date\u003c\/strong\u003e: 21 January 2025\u003cbr\u003e\u003cstrong\u003ePublisher\u003c\/strong\u003e: Greenhill Books\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e: 338g\u003cbr\u003e\u003cstrong\u003eDimension\u003c\/strong\u003e: 155 x 234 x 17 (mm)\u003cbr\u003e\u003cstrong\u003eISBN-13\u003c\/strong\u003e: 9781805001256\u003c\/p\u003e","brand":"Peter Calvocoressi","offers":[{"title":"Paperback \/ softback","offer_id":47200629588218,"sku":"9781805001256","price":12.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0522\/4297\/2845\/files\/1741962528199_book.jpg?v=1742324817","url":"https:\/\/shulphink.com\/products\/top-secret-ultra-breaking-luftwaffe-ciphers-at-bletchley-park-9781805001256","provider":"Shulph Ink","version":"1.0","type":"link"}