Secret and Urgent: The Story of Codes and Ciphers
- ISBN-10
- 0894122614
- ISBN-13
- 9780894122613
- Category
- Ciphers
- Language
- English
- Published
- 1939
- Author
- Fletcher Pratt
Get the book
Similar books
-
Edgar Allan Poe's Contributions to Alexander's Weekly Messenger
By Edgar Allan Poe, Clarence Saunders BrighamEdgar Allan Poe's Contributions to Alexander's Weekly Messenger
-
The Usborne Book of Secret Codes
By Eileen O'Brien, Diana RiddellA brief look at various codes used through history to send and receive secret messages.
-
Secret Codes
By Eileen O'BrienProvides instructions for using codes to send secret messages, and hints for keeping your enemy stumped. Includes a story written in code. Suggested level: primary, intermediate.
-
Descifradores de códigos: de los jeroglíficos a los hackers
By Simon AdamsProvides the history behind codes and ciphers as used in spying, other types of secrets that can be thought of as codes, and explains how readers can make and use their own secret codes.
-
Project X: Y5 Blue Band: Top Secret Cluster: Crack the Code: Y5 Blue Band: Top Secret Cluster Crack the Code
By John Malam"Have you ever sent a secret message? Do you know how to read Morse code? Find out about the secrets of code breaking in this top secret book!" (publisher).
-
Codes & Ciphers
By David J. BodycombeEach page is a different puzzle which may be visual, written, or various symbol interpretations which chanllenge the beginner to expert cryptologist.
-
Secret Agent Handbook: Secret Codes and How to Crack Them!
By Mark HaddonThe titles in this series of puzzle books aim to keep children amused for hours. Each book contains a range of different puzzles including spot-the-difference, anagrams, crosswords and more.
-
Cyfrinachau: Cyfrinach Lob. Codau
By Helen Emanuel DaviesMae Rhif 4 yng nghyfres Pen i Waered yn delio a chyfrinachau o bob math.
-
隐含密码及宏伟设计
By 贝洛坎本书旨在探索美学密码以及密码的形成和发展过程.内容包括密码的出现,毕达哥拉斯密码,圣殿骑士团,维特鲁威人传奇,同音字替换法与维吉尼亚加密法,向密码世界过渡等.
-
Cryptology: Classical and Modern
By Richard E. Klima, Neil SigmonWhen possible, the book details methods for breaking both classical and modern methods. The new edition expands upon the material from the first edition which was oriented for students in non-technical fields.