Cracking codes

Kimpton, Diana

Phillips, Mike

Series: Totally100% horrible
Notes
Diana Kimpton ; illustrated by Mike Phillips
158 p
ill
Location edition Bar Code due date
Non fiction 1367
Dewey:652.8
ISBN:9781407114569
pub:2010
Subjects
Codes and ciphers
Cryptography
Writing systems
Symbols
Data encryption
Ciphers
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