Codes and Codebreaking.
Titre:
Codes and Codebreaking.
PERSONAL_AUTHOR_EPSB:
Sommaire:
Explains how spies throught the ages have sent messages. Complex new codes are constantly being developed that take the most skillful codebreaker to break. Some of these messages have caused wars, and others have saved lives. Codebreaking is a vital part of the spy's trade today.
Date de publication comme intervalle:
2010
1900-1999
SERIES_EPSB:
Terme de vedette-matière:
Numéro international normalisé des livres (ISBN):
9781599203577
Informations de publication:
Mankato, Minnestoa : Smart Apple Media, 2010.
