Baker, Ian

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Codes
How to Make Them and Break Them!
By Kjartan Poskitt, Illustrated by Ian Baker
(Racehorse for Young Readers)
Did you ever want to send a message that only your friend can read? Or did you want to try and uncover a secret communication from someone else? If so, then here's everything you need to know about creating and cracking codes—from the simplest substitution messages to the secrets of the well-known World... [READ MORE]
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