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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: Paul B. Janeczko
Publisher: Candlewick Press
Published: 2006-04-11
Total Pages: 148
ISBN-13: 9780763629724
DOWNLOAD EBOOK →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: 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: Herbert Spencer Zim
Publisher:
Published: 1970
Total Pages: 115
ISBN-13:
DOWNLOAD EBOOK →A how-to book for creating and deciphering codes.
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: Martin Gardner
Publisher: Courier Corporation
Published: 2013-04-10
Total Pages: 96
ISBN-13: 0486320316
DOWNLOAD EBOOK →Cipher and decipher codes: transposition and polyalphabetical ciphers, famous codes, typewriter and telephone codes, codes that use playing cards, knots, and swizzle sticks . . . even invisible writing and sending messages through space. 45 diagrams.
Author: Laurence Dwight Smith
Publisher: Courier Corporation
Published: 1955
Total Pages: 180
ISBN-13: 9780486202471
DOWNLOAD EBOOK →Elementary account of ciphers, history, types, etc., with 151 examples of ciphers and codes. Solutions. Good introduction for beginners.
Author: Fred B. Wrixon
Publisher: Black Dog & Leventhal Pub
Published: 2005
Total Pages: 704
ISBN-13: 9781579124854
DOWNLOAD EBOOK →Covert communications have won or lost wars, exposed political intrigue, disguised secret religions and societies, and secured financial transactions. This immensely readable world history of clandestine communication—finally in paperback—includes illustrations, diagrams, and puzzles that instruct readers how to become amateur cryptographers. It’s the last word on secret languages!
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: 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.
