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Making Secret Codes

1 Ratings

3

Series

1 of 3

Duration
20min
Language
English
Format
Category

Children

Throughout history, army generals, spies, and even scientists have guarded information through secret codes. Find out how they did it and learn how to create your own secret codes. You and your friends can share secrets that will leave everyone else scratching their heads.

© 2020 Capstone Press (Audiobook): 9781476572352

Release date

Audiobook: 5 February 2020

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