Format:Softcover
All you need to be a code-cracking genius! Kjartan Poskitt and his crew of Murderous Maths characters return to take the agony out of cryptanalysis. There are tips and tricks on how to crack substitution codes, message systems such as morse are explained and the secrets of Enigma are revealed. 10 yrs+
Mystery, Thriller, Horror & Crime
160 pages • Softcover
First published 2007
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Codes How to Make Them and Break Them
All you need to be a code-cracking genius! Kjartan Poskitt and his crew of Murderous Maths characters return to take the agony out of cryptanalysis. There are tips and tricks on how to crack substitution codes, message systems such as morse are explained and the secrets of Enigma are revealed. 10 yrs+
Mystery, Thriller, Horror & Crime
160 pages • Softcover
First published 2007
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