{"product_id":"the-mammoth-book-of-secret-code-puzzles-b-format-9781845293253","title":"The Mammoth Book of Secret Code Puzzles: B Format","description":"\u003cp\u003eThis text presents a collection of cryptograms \u0026amp; other enciphered challenges to satisfy various levels of puzzle aficionado. It features over 600 puzzles  from the simple substitution-code type - where each letter stands for another - to difficult ciphers using actual wartime methods employed by historic figures.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":45646905737269,"sku":"ByrdShop_1845293258","price":28.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8139\/0901\/files\/9781845293253.jpg?v=1781681004","url":"https:\/\/atxbooks.com\/products\/the-mammoth-book-of-secret-code-puzzles-b-format-9781845293253","provider":"ATX Books","version":"1.0","type":"link"}