Publications written by: Rubin, Frank
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Secret Key Cryptography : Ciphers, from Simple to Unbreakable
Secret Key Cryptography : Ciphers, from Simple to Unbreakable
9781633439795
Published: 2022
$ 69.99  
Mandala Sudoku
Mandala Sudoku
9781454919858
Published: 2016
$ 12.53  
Feng Shui Sudoku
Feng Shui Sudoku
9781454915041
Published: 2015
$ 12.53  
Donut Sudoku : The Delectable New Variant
Donut Sudoku : The Delectable New Variant
9781402799099
Published: 2013
$ 11.13