TY  - BOOK
AU  - Poskitt Kjartan
AU  - Baker, Ian 
TI  - Codes : How To Make Them and Break Them
SN  - 9780439943284
U1  - 652.8 
PY  - 2007///
CY  - London 
PB  - Scholastic Children's Books 
KW  - Ciphers
KW  - Cryptography
N2  - Is maths making you miserable? Are you confused by ciphers and baffled by binary? Let Murderous Maths take the agony out of Cryptanalysis and you'll be a code-cracking genius in no time. The pure mathematicians explain how a computer makes buying shoes safe and the secrets of Enigma are revealed. Plus, find out how Dolly Snowlips' waist size and a tatty table cloth can help gangsters with their latest money-making schemes.

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ER  -