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Author: Martin Gardner
Publisher: Courier Corporation
ISBN: 9780486247618
Category : Juvenile Nonfiction
Languages : en
Pages : 100
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Book Description
Explains various methods used in cryptography and presents examples to help readers in breaking secret codes
Author: Martin Gardner
Publisher: Courier Corporation
ISBN: 9780486247618
Category : Juvenile Nonfiction
Languages : en
Pages : 100
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Book Description
Explains various methods used in cryptography and presents examples to help readers in breaking secret codes
Author: Norma Gleason
Publisher: Courier Corporation
ISBN: 9780486254050
Category : Juvenile Nonfiction
Languages : en
Pages : 54
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Book Description
Decode 68 secret messages—backward ciphers, false word divisions, null ciphers and much more with this fascinating, fun-filled book. Solutions.
Author: Norvin Pallas
Publisher: Courier Dover Publications
ISBN: 0486838463
Category : Games & Activities
Languages : en
Pages : 115
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Book Description
Intrigue your friends with birthday prophecies, spin a mystifying wheel of fortune, travel through the Valley of Fear, and take on Dad's Challenge! This collection presents scores of intriguing brainteasers from the fascinating world of codes and ciphers. Assembled by a master puzzle-maker, these activities are inspired by sources as diverse as the Sherlock Holmes stories and the procedures of the U.S. Navy. Code-breakers ages 8 and up can go on cryptic treasure hunts, engage in surreptitious writing, send secret messages, and learn all about fingerprinted words. Other puzzles feature a foolproof code (perfect for keeping a private diary), three-letter patterns, a nonreciprocal alphabet, and much more. The stimulating and entertaining challenges include easy-to-follow directions as well as complete solutions.
Author: Pierre Berloquin
Publisher: Sterling Publishing Company Incorporated
ISBN: 9781454910657
Category : Games & Activities
Languages : en
Pages : 135
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Book Description
Challenges the reader to reveal quotations from prominent people in history and fiction by using a collection of coded alphabets devised by actual historical figures, including Hildegard of Bingen, Edgar Allen Poe, and Hâeláene Smith.
Author: Norvin Pallas
Publisher:
ISBN: 9780613995078
Category :
Languages : en
Pages :
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Book Description
Clear instructions for sending secret messages, cryptic treasure hunts, learning about fingerprinted words, three-letter patterns, much more.
Author: Alex Hirsch
Publisher: Disney Electronic Content
ISBN: 1368017096
Category : Juvenile Fiction
Languages : en
Pages :
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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: Paul B. Janeczko
Publisher: Candlewick Press
ISBN: 9780763629724
Category : Juvenile Nonfiction
Languages : en
Pages : 148
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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: Bud Johnson
Publisher: Courier Corporation
ISBN: 0486291464
Category : Juvenile Nonfiction
Languages : en
Pages : 86
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Book Description
Simply and clearly written book, filled with cartoons and easy-to-follow instructions, tells youngsters 8 and up how to break 6 different types of coded messages. Examples and solutions.
Author: Alexander D'Agapeyeff
Publisher: Read Books Ltd
ISBN: 1473350913
Category : Computers
Languages : en
Pages : 153
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Book Description
This vintage book contains Alexander D’Agapeyeff’s famous 1939 work, Codes and Ciphers - A History of Cryptography. Cryptography is the employment of codes and ciphers to protect secrets, and it has a long and interesting history. This fantastic volume offers a detailed history of cryptography from ancient times to modernity, written by the Russian-born English cryptographer, Alexander D'Agapeyeff. The contents include: - The beginnings of Cryptography - From the Middle Ages Onwards - Signals, Signs, and Secret Languages - Commercial Codes - Military Codes and Ciphers - Types of Codes and Ciphers - Methods of Deciphering Many antiquarian texts such as this, especially those dating back to the 1900s and before, are increasingly hard to come by and expensive, and it is with this in mind that we are republishing this book now in an affordable, modern, high quality edition. It comes complete with a specially commissioned new biography of the author.
Author: John Redden
Publisher: Lulu.com
ISBN: 1387346083
Category : Education
Languages : en
Pages : 58
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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 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.
