Availability
Details
PUBLISHED
Mankato, Minn. : Edge Books, [2011]
©2011
©2011
DESCRIPTION
32 pages : color illustrations ; 24 cm
ISBN/ISSN
9781429645683 (lib. bdg.), 1429645687 (lib. bdg.), 1429645687 :
LANGUAGE
English
NOTES
Queen's code crackers -- Transposition codes -- Substitution codes -- Book ciphers and beyond -- What was the secret message?
"Discusses different methods for breaking secret codes"--Provided by publisher
830
830L