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Author: Bud Johnson
Publisher: Courier Corporation
Published: 2013-05-22
Total Pages: 86
ISBN-13: 0486291464
DOWNLOAD EBOOK →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: Simon Singh
Publisher: Delacorte Press
Published: 2002-05-14
Total Pages: 272
ISBN-13: 0375890122
DOWNLOAD EBOOK →"As gripping as a good thriller." --The Washington Post Unpack the science of secrecy and discover the methods behind cryptography--the encoding and decoding of information--in this clear and easy-to-understand young adult adaptation of the national bestseller that's perfect for this age of WikiLeaks, the Sony hack, and other events that reveal the extent to which our technology is never quite as secure as we want to believe. Coders and codebreakers alike will be fascinated by history's most mesmerizing stories of intrigue and cunning--from Julius Caesar and his Caeser cipher to the Allies' use of the Enigma machine to decode German messages during World War II. Accessible, compelling, and timely, The Code Book is sure to make readers see the past--and the future--in a whole new way. "Singh's power of explaining complex ideas is as dazzling as ever." --The Guardian
Author: Martin Gardner
Publisher: Courier Corporation
Published: 1984-01-01
Total Pages: 100
ISBN-13: 9780486247618
DOWNLOAD EBOOK →Explains various methods used in cryptography and presents examples to help readers in breaking secret codes
Author: Jane Sarnoff
Publisher: MacMillan Publishing Company
Published: 1975
Total Pages: 44
ISBN-13: 9780684162195
DOWNLOAD EBOOK →Text and illustrations introduce various codes and ciphers and give examples of their use throughout history.
Author: John Redden
Publisher: Lulu.com
Published: 2018-03-12
Total Pages: 58
ISBN-13: 1387346083
DOWNLOAD EBOOK →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.
Author: Norma Gleason
Publisher: Courier Corporation
Published: 1987-01-01
Total Pages: 54
ISBN-13: 9780486254050
DOWNLOAD EBOOK →Decode 68 secret messages—backward ciphers, false word divisions, null ciphers and much more with this fascinating, fun-filled book. Solutions.
Author: John Laffin
Publisher: HarperCollins Children's Books
Published: 1964
Total Pages: 160
ISBN-13:
DOWNLOAD EBOOK →An explanation of the development, methods, and use of cryptography throughout history.
Author: Ella Schwartz
Publisher: Bloomsbury Publishing USA
Published: 2019-03-26
Total Pages: 129
ISBN-13: 1681199890
DOWNLOAD EBOOK →Codes can carry big secrets! Throughout history, lots of good guys and lots of bad guys have used codes to keep their messages under wraps. This fun and flippable nonfiction features stories of hidden treasures, war-time maneuverings, and contemporary hacking as well as explaining the mechanics behind the codes in accessible and kid friendly forms. Sidebars call out activities that invite the reader to try their own hand at cracking and crafting their own secret messages. This is the launch of an exciting new series that invites readers into a STEM topic through compelling historical anecdotes, scientific backup, and DIY projects.
Author: Alexander D'Agapeyeff
Publisher: Read Books Ltd
Published: 2016-08-26
Total Pages: 153
ISBN-13: 1473350913
DOWNLOAD EBOOK →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: Paul Lunde
Publisher:
Published: 2009
Total Pages: 0
ISBN-13: 9780520260139
DOWNLOAD EBOOK →This illustrated encyclopedia surveys the history and development of code-making and code-breaking in all areas of culture and society from hieroglyphs and runes to DNA, the Zodiac Killer, graffiti, and beyond.
