In this fast-paced mystery, a young protagonist receives a mysterious note, setting off a chain of events that lead them to unravel a hidden code. As they decip

Learn how to program in Python while making and breaking ciphers—algorithms used to create and send secret messages! After a crash course in Python programmin

A collection of four all-new strange stories from the sleepy town of Gravity Falls in one original graphic novel. Written by Alex Hirsch. Illustrated by Asaf Ha

The Secret Code Book is a short introduction to substitution ciphers. The chapters ease young readers into the concept of rotation ciphers and work their way up

* * * This is the old edition! The new edition is under the title "Cracking Codes with Python" by Al Sweigart * * *Hacking Secret Ciphers with Python not only t