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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: Herbert Spencer Zim
Publisher:
Published: 1970
Total Pages: 115
ISBN-13:
DOWNLOAD EBOOK →A how-to book for creating and deciphering 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 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: 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: Gyles Daubeney Brandreth
Publisher: Sterling Publishing (NY)
Published: 1984
Total Pages: 134
ISBN-13: 9780806946900
DOWNLOAD EBOOK →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: Helen Huckle
Publisher: Dial Books for Young Readers
Published: 1995
Total Pages: 57
ISBN-13: 9780803717251
DOWNLOAD EBOOK →Presents a variety of codes and ciphers and includes messages to encode and decode
Author: Herbert Spencer Zim
Publisher:
Published: 1948
Total Pages: 124
ISBN-13: 9780590025058
DOWNLOAD EBOOK →Explains how to make and break several kinds of codes, how to use secret languages and how to make invisible inks.
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: 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.
