Breaking the code with cryptography

analyzing patterns

Photographs, illustrations, and text describe how math was used to decipher coded messages throughout history.

PowerKids Press
2007
9781404233683
book
Lexile: 
1 000

Holdings

hidmidmiidnidwidlocation_codelocationbarcodecallnumdeweycreatedupdated
17809640476732276246739357877PAVE362PAVE20813652 LEV65215774597521709567815
162812952471442358246739357877WIRO503WIRS2003471652 LEV65215814652241736518457