How to tell a secret: tips, tricks, & techniques for breaking codes and conveying covert information
Description
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Subjects
Subjects
Ciphers
Ciphers -- History -- Popular works
Confidential communications
Confidential communications -- United States -- History -- Popular works
Defense information, Classified
Defense information, Classified -- United States -- Popular works
History
Official secrets
Official secrets -- United States -- Popular works
Undercover operations
Undercover operations -- United States -- History -- Popular works
Ciphers -- History -- Popular works
Confidential communications
Confidential communications -- United States -- History -- Popular works
Defense information, Classified
Defense information, Classified -- United States -- Popular works
History
Official secrets
Official secrets -- United States -- Popular works
Undercover operations
Undercover operations -- United States -- History -- Popular works
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Contributors
ISBN
9780061137945
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