Description: 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 to the Vigen?re cipher. Along the way, readers will also learn about geometric approaches to secret codes such as the Pigpen cipher. As a bonus, there is a brief description of frequency analysis and how it is used to crack secret codes. frper gpbqr obbx In addition, this book actively challenges readers with practice missions where answers are listed in the back. Also, there is a cut-out rotation template that is provided to make your very own cipher disk! After reading this book, you will have all the basic tools needed to create secret messages.
Price: 9.02 GBP
Location: Gloucester
End Time: 2025-01-10T15:14:33.000Z
Shipping Cost: 16.48 GBP
Product Images
![Secret Code Book: Substitution Ciphers by Redden, John [Paperback]](https://i.ebayimg.com/00/s/NTAwWDMzMQ==/z/NGQAAOSwbhhnMM7j/$_1.JPG?set_id=8800005007 "Secret Code Book: Substitution Ciphers by Redden, John [Paperback]")
![Secret Code Book: Substitution Ciphers by Redden, John [Paperback]](https://i.ebayimg.com/00/s/MzkxWDUwMA==/z/JSYAAOSw2jZnMM7j/$_1.GIF?set_id=8800005007 "Secret Code Book: Substitution Ciphers by Redden, John [Paperback]")
Item Specifics
Return postage will be paid by: Buyer
Returns Accepted: Returns Accepted
After receiving the item, your buyer should cancel the purchase within: 60 days
Return policy details:
EAN: 9781387346080
UPC: 9781387346080
ISBN: 9781387346080
MPN: N/A
Book Title: Secret Code Book: Substitution Ciphers by Redden,
Item Length: 22.9 cm
Publisher: Lulu.com
Publication Year: 2018
Subject: Education
Item Height: 229 mm
Number of Pages: 56 Pages
Language: English
Publication Name: Secret Code Book: Substitution Ciphers
Item Weight: 95 g
Type: Textbook
Author: John Redden
Item Width: 152 mm
Format: Paperback
