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Codes and Ciphers: Clever Devices for Coding and Decoding to Cut Out and Make-G
£2.55
eBay
Codes and Ciphers: Julius Caesar, the Enigma, and the Internet By R. F. Churchh
£4.66
eBay
Can You Crack the Code?: A Fascinating History of Ciphers and Cr
£3.51
eBay
Codes, Ciphers and Secret Writing (Dover Children's Activity Boo
£2.55
eBay
Cracking Codes with Python: An Introduction to Building and Breaking Ciphers
£21.89
Amazon
The Celestial Code of Scripture: The Astral Cipher Underlying the Miracle Stories of the Bible and Qur'an
£19.99
Amazon
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The Code Book: The Secret History of Codes and Code-breaking by Simon Singh Book
£4.99
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Trivia Cryptograms: When the Code Is Cracked, It Reveals a Fact
£8.54
Amazon
Occult Alphabets Scripts and Ciphers : Of the Western Magical Tradition
£11.39
Hive Books
Enigma: The Battle For The Code By Hugh Sebag-Montefiore. 9781474608329
£3.59
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Sigils, Ciphers and Scripts: The History and Graphic Function of Magick Symbols: 1
£11.65
Amazon
TECH DECODER PUZZLES FOR KIDS PUZZLES FOR KIDS: The Ultimate Code Breaker Puzzle Books For Kids - STEM (Ultimate Code Breakers For Kids)
£7.99
Amazon
The Ultimate Code Breaker's Puzzle Book : Over 50 Puzzles to become a super spy, crack codes and train your brain
£9.19
Hive Books
Codeword Puzzle Books for Adults: 100+ Puzzles for Adults and Teens, Large Print Codeword Puzzle Book for Adults, Codewords
£4.97
Amazon
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