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The making and breaking of codes is sophisticated and complex. Some mathematicians devote their lives to codes. Read about codes, ciphers and a 16-year-old Irish girl who has been called a 'coding genius'.
First the ancient Greeks hid messages under their hair. Then Mary Queen of Scots completely lost her head because of a cracked coe. Now computers create codes no human can crack. Totally Cracking Codes is the ultimate guide to unlocking the secret language of spies. Aspiring code-breakers can discover how to decipher dot and dashes, fathom flags, suss a simple cipher and much more!
