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Secret Code Book: Substitution Ciphers

Author: John Redden

Publisher: Lulu.com

Published: 2018-03-12

Total Pages: 58

ISBN-13: 1387346083

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.

Secret Code Menace

Author: Pamela Cosman

Publisher:

Published: 2015-11-26

Total Pages: 120

ISBN-13: 9781781279762

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A thoughtful and provocative fiction story about the science of secret codes and error correction. Sara, Derek and Jared have devised their own simple code to communicate with each other in class at school. When a written, coded message is amended en route to Sara and she gets into trouble, they start to explore how their simple code could use error correction to protect themselves against tampering by somebody.This is all a private hobby, until one day, on a school trip to a bank the class is caught up in an attempted bank robbery. Suddenly Sara, Derek and Jared's playing with codes - and with methods of error correction - has an urgent reality. The Secret Code Menace is part of the Cold Fusion series, published by Ransom Publishing, a specialist children's publisher. The series is designed for more able readers, gifted and talented children, and those who are curious, enjoy a challenge and like thinking outside the box. The Secret Code Menace is ideal for more able readers aged 9 - 12 with a reading age of 12 + .

The Secret Code Book

Author: Helen Huckle

Publisher: Dial Books for Young Readers

Published: 1995

Total Pages: 57

ISBN-13: 9780803717251

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Presents a variety of codes and ciphers and includes messages to encode and decode

Secret Code

Author: Dana Meachen Rau

Publisher: Turtleback Books

Published: 1998-09

Total Pages: 0

ISBN-13: 9780613375337

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For use in schools and libraries only. Oscar, who is blind, teaches Lucy how to read his Braille book.

The Language of Thieves: My Family's Obsession with a Secret Code the Nazis Tried to Eliminate

Author: Martin Puchner

Publisher: W. W. Norton & Company

Published: 2020-10-13

Total Pages: 240

ISBN-13: 1324005920

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Tracking an underground language and the outcasts who depended on it for their survival. Centuries ago in middle Europe, a coded language appeared, scrawled in graffiti and spoken only by people who were "wiz" (in the know). This hybrid language, dubbed Rotwelsch, facilitated survival for people in flight—whether escaping persecution or just down on their luck. It was a language of the road associated with vagabonds, travelers, Jews, and thieves that blended words from Yiddish, Hebrew, German, Romani, Czech, and other European languages and was rich in expressions for police, jail, or experiencing trouble, such as "being in a pickle." This renegade language unsettled those in power, who responded by trying to stamp it out, none more vehemently than the Nazis. As a boy, Martin Puchner learned this secret language from his father and uncle. Only as an adult did he discover, through a poisonous 1930s tract on Jewish names buried in the archives of Harvard’s Widener Library, that his own grandfather had been a committed Nazi who despised this "language of thieves." Interweaving family memoir with an adventurous foray into the mysteries of language, Puchner crafts an entirely original narrative. In a language born of migration and survival, he discovers a witty and resourceful spirit of tolerance that remains essential in our volatile present.

Writing Secret Codes and Sending Hidden Messages

Author: Gyles Daubeney Brandreth

Publisher: Sterling Publishing (NY)

Published: 1984

Total Pages: 134

ISBN-13: 9780806946900

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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.

My Secret Code Book

Author: Harefield Press

Publisher: Independently Published

Published: 2019-06-08

Total Pages: 120

ISBN-13: 9781072784487

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Secret codes are the best fun! This book includes lots of space to write your secrets. If you want to keep your secrets really secret the pages at the back of the book will show you four different ways of making secret codes.

Secret Codes

Author: Lisa Miles

Publisher:

Published: 1997

Total Pages: 36

ISBN-13: 9780590115186

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The Secret Code

Author: Paul Meier

Publisher: Thomas Nelson

Published: 1999-02-07

Total Pages: 312

ISBN-13: 1418561711

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The bestselling authors of "Beyond the Millennium" and "The Fourth Millennium" bring readers this prophetic thriller based on the idea that there is a secret code in the Bible that pinpoints crucial dates and events.

Race for the Secret Code

Author: Jeanette Windle

Publisher: Kregel Publications

Published:

Total Pages: 164

ISBN-13: 9780825497490

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Jeanette Windle's engaging, exciting Christian fiction series for preteens. When their father is accused of selling defense information to a Middle Eastern terrorist, Justin works to prove his father's innocence while Jenny struggles to understand the dilemma that throws their family into grave danger.