Codes: How to Make Them and Break Them!

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Will show readers how to encode/decode their own messages in as many ways as possible. Examples of differently coded messages will also fit in well with the diverse range of the usual MM characters. The contents would include: Disguised codes (e.g. see the last para of synopsis); Scrambled codes (where the order of letters is mixed up); Substitution codes (where letters are replaced by other letters or symbols or just 14 21 13 2 5 18 19 ); Some history of how codes have been used in the past, from ancient Roman times to ...

Codes: How to Make Them and Break Them! 2017, Racehorse for Young Readers

ISBN-13: 9781631581274

Trade paperback

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Codes: How to Make Them and Break Them 2007, Scholastic, London

ISBN-13: 9780439943284

Paperback

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