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Author: John Redden Publisher: Lulu.com ISBN: 1387346083 Category : Education Languages : en Pages : 58
Book 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 Vigenère 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.
Author: John Redden Publisher: Lulu.com ISBN: 1387346083 Category : Education Languages : en Pages : 58
Book 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 Vigenère 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.
Author: Martin Gardner Publisher: ISBN: 9780671295851 Category : Ciphers Languages : en Pages : 0
Book Description
Explains in simple terms how to encode and decode messages in various ciphers, describes coding machines, and gives formulas for invisible ink.
Author: Paul B. Janeczko Publisher: Candlewick Press ISBN: 9780763629724 Category : Juvenile Nonfiction Languages : en Pages : 148
Book Description
Presents history, trivia, and code-breaking tales in a guide book to the world of secret writing that includes examples of a variety of codes and ciphers.
Author: Fred B. Wrixon Publisher: Random House Value Publishing ISBN: Category : Business & Economics Languages : en Pages : 280
Book Description
Perfect for word lovers and puzzlers, this comprehensive, illustrated volume includes Indian sign language, Morse code, Jefferson's cipher wheel and more, presented in an informative and historical manner.
Author: Alex Hirsch Publisher: Disney Electronic Content ISBN: 1368017096 Category : Juvenile Fiction Languages : en Pages : 148
Book Description
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 Hanuka, Dana Terrace, Ian Worrel, Jacob Chabot, Jim Campbell, Joe Pitt, Kyle Smeallie, Meredith Gran, Mike Holmes, Priscilla Tang, Serina Hernandez, Stephanie Ramirez, and Valerie Halla.
Author: Susan K. Mitchell Publisher: Enslow Publishing, LLC ISBN: 1464604096 Category : Juvenile Nonfiction Languages : en Pages : 50
Book Description
Can flashing lights send out a secret message? Did a famous spy use sketches of butterflies to hide messages? Can a digital photo hide a secret code? For centuries, spies have used many different ways to pass secret information. Codes and ciphers keep information safe from the enemy. Author Susan K. Mitchell uncovers the secrets to the amazing world of spy codes and ciphers.
Author: Gyles Daubeney Brandreth Publisher: Sterling Publishing (NY) ISBN: 9780806946900 Category : Language Arts & Disciplines Languages : en Pages : 134
Book Description
Explains how to use secret codes, including Morse, Caesar's, Sandwich, Rosicrucian, and others, as well as how to send hidden messages using invisible ink, how to take fingerprints, and other tricks and techniques.
Author: John Redden
Author: John Redden
Author: Martin Gardner
Author: Paul B. Janeczko
Author: Eleanor A. Grant
Author: Fred B. Wrixon
Author: 
Author: Alex Hirsch
Author: Susan K. Mitchell
Author: Gyles Daubeney Brandreth
Author: Fletcher Pratt