Availability
Details
PUBLISHED
Mankato, Minn. : Capstone Press, [2011]
©2011
©2011
DESCRIPTION
32 pages : illustrations (some color) ; 24 cm
ISBN/ISSN
9781429645676 (library binding) 1316376, 1429645679 (library binding), 1429645679 :
LANGUAGE
English
NOTES
Codes all around us -- Breaking down cryptography -- Codes throughout history -- Code play
"Discusses different methods for creating secret codes"--Provided by publisher
Lexile: 800
800
800L