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Mystery and detective stories (28)
Suspense fiction (25)
Cryptography (24)
Ciphers (22)
Historical fiction (18)
World War, 1939-1945 › Cryptography (16)
Mystery fiction (15)
Humorous stories (15)
Science fiction (13)
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Kidnapping › Fiction (10)
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cryptography, mathematics (40)
cryptography, intelligence (24)
code, fiction (22)
WWII, cryptography (22)
fiction, puzzles (20)
science, spy (19)
computers, history, science (18)
conspiracy, history, mystery (18)
mathematics, novel (17)
code, mystery (16)
computers, espionage (16)
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WWII, espionage (16)
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computing, history (15)
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Tag info: codes
Tag used 1,247 times by 519 users.
Most often tagged codes
- The Code Book by Simon Singh (109)
- The Da Vinci Code by Dan Brown (50)
- Cryptonomicon by Neal Stephenson (34)
- Digital Fortress by Dan Brown (21)
- Codes and Secret Writing by Herbert S. Zim (17)
- Codes, Ciphers and Other Cryptic and Clandestine… by Fred B. Wrixon (14)
- Chasing Vermeer by Blue Balliett (13)
- Enigma by Robert Harris (12)
- The Rule of Four by Ian Caldwell (12)
- Codes, Ciphers and Secret Writing (Test Your Code Breaking… by Martin Gardner (11)
- The Codebreakers: The Comprehensive History of Secret… by David Kahn (10)
- PopCo by Scarlett Thomas (10)
- Code Talker: A Novel About the Navajo Marines of World War… by Joseph Bruchac (8)
- The Mysterious Benedict Society by Trenton Lee Stewart (7)
- The Lost Symbol by Dan Brown (6)
- Between Silk and Cyanide: A Codemaker's War, 1941-1945 by Leo Marks (6)
- Seizing the Enigma: The Race to Break the German U-Boats… by David Kahn (6)
- Alan Turing: The Enigma by Andrew Hodges (6)
- Enigma: The Battle for the Code by Hugh Sebag-Montefiore (5)
- The Case of the Left-Handed Lady: An Enola Holmes Mystery by Nancy Springer (5)
