Collins Gem Ser.: Codes and Ciphers (2006, Trade Paperback)

WeBuyBooks (2622617)

99.6% positive Feedback

Price:

£8.45

Free postage

Estimated delivery Mon, 28 Jul - Fri, 1 Aug

Returns:

30 days return. Buyer pays for return postage. If you use an eBay delivery label, it will be deducted from your refund amount.

Condition:

Good

Codes and Ciphers (Collins Gem). Author : Collins UK. Publisher : Collins. Genre : Coding theory and cryptology. Used - Good: All pages and cover are intact (including the dust cover, if applicable).

About this product

Product Information

All you need to know about making and breaking codes. Gem Codes and Ciphers touches on everything from the smoke signals used by Native American Indians to encryption devices used by government agencies and the military. Not only does this handy, pocket-sized book cover the history of the development of codes and ciphers, it also has practical information and advice on how to make codes and, more importantly, how to break them! Topics covered: * Native American smoke signals, Masonic signals, flags, and semaphore; * Morse code, Braille, ASCII computer language; * Letter substitution - mono- and poly-alphabetic; * Computer algorithms; * Codes and ciphers throughout history * Development of code-breaking devices such as the Enigma machine.