
Everyday Maths
Kjartan Poskitt
₹3,731

How to Make Them and Break Them!
Racehorse for Young Readers · 2017
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Published by Racehorse for Young Readers in 2017, Codes: How to Make Them and Break Them! by Kjartan Poskitt runs to 160 pages.
Topics covered include Ciphers and Cryptography.
About the author: Kjartan Poskitt (born 1956).