{"product_id":"over-50-secret-codes-by-emily-bone-9781409584612","title":"Over 50 Secret Codes","description":"\u003cdiv class=\"book-description\"\u003e\n\u003cp\u003eCode-cracking skills can be put to the test in this entertaining book which teaches children how to write and decode secret messages.\u003c\/p\u003e\n\n\u003cp\u003eIncludes Semaphore and Morse code, the Grid code used in the American Civil War, Egyptian hieroglyphics, number replacement and alphabet switching codes, and more.\u003c\/p\u003e\n\n\u003cp\u003eEach page features a different type of code, with an explanation of how it works and a practice code to crack. All answers are available at the back of the book.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eOver 50 Secret Codes\u003c\/em\u003e by Emily Bone offers an exciting way to explore the fascinating world of cryptography.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"HarperCollins New Zealand","offers":[{"title":"Default Title","offer_id":46694535823596,"sku":"9781409584612","price":14.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/7784\/8556\/files\/23956813482689.jpg?v=1753594037","url":"https:\/\/bookhero.pro\/products\/over-50-secret-codes-by-emily-bone-9781409584612","provider":"Book Hero","version":"1.0","type":"link"}