How to Tell a Secret
Subtitle: Tips, Tricks & Techniques for Breaking Codes & Conveying Covert Information
Publisher: Collins
Published: April 10, 2007
Language: eng
Format: Paperback
Number of pages: 258
ISBN-13: 9780061137945
Subjects: Cryptography; Intelligence Operations; History; Reference; History: World; Espionage; Trivia; Reference / Trivia; General; Military - General; Political Freedom & Security - Intelligence; Ciphers; Confidential communications; Defense information, Classified; Popular works; United States