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Codes can carry big secrets! Throughout history, lots of good guys and lots of bad guys have used codes to keep their messages under wraps. This fun and interactive book looks at codes throughout history, from Caesar's battlefield message to contemporary hackers. Illustrations.
- Illustratör: Lily Williams
- Format: Inbunden
- ISBN: 9781681195148
- Språk: Engelska
- Antal sidor: 128
- Utgivningsdatum: 2019-06-13
- Förlag: Bloomsbury Publishing Plc