Cryptography : cracking codes /
"Double agents, code-cracking, and covert operations are not just the stuff of action movies or thrillers. Intelligence communities--comprised of spies as well as cryptographers and experts in a variety of other fields--have played significant roles in both past and present wars as well as in d...
New York, NY :
Britannica Educational Publishing, In Association With Rosen Educational Services,
|Series:||Intelligence and counterintelligence (Britannica Educational Publishing)
Curriculum Collection Juvenile - Walker Library - 3rd Floor
|Copy 1||Available Pull and Hold|