Errata

This page will contain any mistakes that are found in the book, after it is sent to the printer.  

LOL! First big one: Our book was released on December 10, 2020, but on December 11, 2020, one of the world’s most famous unsolved codes was, well, solved! The Zodiac Killer cipher called “Z340” was cracked. For more information, check here.

 

If you see anything else, please contact us at codebreaking.guide@gmail.com

 

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