The book includes information about:
Substitution codes
Scrambling codes
Codes containing unrecognizable symbols
Other message systems such as Morse code and flags
And how to make your own Enigma machine!
You'll be thrilled as this amusing book takes you on a codebreaking adventure, learning ways to decode both simple and difficult puzzles, as well as provides you with a history on the cryptology. Filled with tips and enjoyable illustrations by Ian Baker, Codes will have you sending secret messages in no time.
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