Cipher enthusiasts and novices alike will be drawn to Super Ciphers Book, where they can find a range of activities designed to flex their mental muscles. From easy exercises that help beginners get started to more challenging problems meant for seasoned code-breakers, this book has something for everyone. And because the challenges are presented in a fun, engaging format, Super Ciphers Book is perfect for powering down and taking a break from the everyday grind.

This is Volume 21 and it contains 30 activities. A new volume of this book is published every Thursday.

Published on: 26 May 2022
File size: 4424kB (PDF)
Pages size: A4
Interior: Greyscale
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