Recommendations from our site
“It’s a guide of how to break ciphers but you also get a lot of history, everything from World War Two to Roman ciphers. I just love it.” Read more...
A. J. Jacobs, Journalist
“It’s a guide of how to break ciphers but you also get a lot of history, everything from World War Two to Roman ciphers. I just love it.” Read more...
A. J. Jacobs, Journalist
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