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Author
Series
Language
English
Formats
Description
This book teaches students how to analyze patterns though cryptography. Illustrates and explains how use a cipher to encrypt and decrypt simple substitution ciphers, poly-alphabetic ciphers and transposition ciphers. Includes famous examples of encrypted messages about and by figures like Julius Caesar and Queen Elizabeth I.
7) Safe
Pub. Date
[2012]
Language
English
Description
When a second-rate cage fighter, Luke Wright, is tormented by the Russian Mafia and wanders the streets of New York, he witnesses a young Chinese girl, Mei, being pursued by the same mafia who want her for a priceless numerical code that they would kill for.
Author
Language
English
Formats
Description
Records show that human beings have been using codes to conceal messages for over 2,000 years! This revealing book traces codes throughout history, from an encryption device used by the Spartans in 400 B.C. to the Enigma Code of the 1940s, pausing to consider coded military secrets and newspaper scoops alike. Students will be delighted by code-cracking diagrams. Illuminating sidebars, primary source documents, and vivid illustrations all add to this...
Pub. Date
2013
Language
English
Description
Four women who worked as codebreakers at Bletchley Park have taken up civilian lives. Susan has collated data about a series of murders. She tries to convince the police she knows where another body is, but they are unable to locate it and dismiss her. She turns to her three friends and they work out where the next victim will be taken, find the body, and then decide they are the only ones who can track down the killer.
Author
Series
Language
English
Formats
Description
"A hands-on guide to introduce kids to the fascinating world of secret codes and ciphers, CODE CRACKING FOR KIDS explores many aspects of cryptology, including famous people who used and invented codes and ciphers, such as Julius Caesar and Thomas Jefferson; codes used during wars, including the Enigma machine, whose cracking helped the Allies gather critical information on German intelligence in World War II; and work currently being done by the...
13) Beyond the grave
Author
Series
Language
English
Description
A Clue found in Book 3 sends Amy and Dan jetting off to find out just what's behind the fierce rivalry between the Tomas and Ekaterina branches of the Cahill family. Was a Clue stolen from the Tomas branch? Where is it now? And most important, can Amy and Dan get their hands on it before their rivals do?
Author
Series
The 39 clues. Main series volume 10
Language
English
Formats
Description
Throughout the hunt for the 39 Clues, Amy and Dan Cahill have uncovered history's greatest mysteries and their family's deadliest secrets. But are they ready to face the truth about the Cahills and the key to their unmatched power? After a whirlwind race that's taken them across five continents, Amy and Dan face the most the difficult challenge yet -- a task no Cahill dared to imagine. When faced with a choice that could change the future of the world,...
Author
Series
Language
English
Description
History's greatest secret could be tomorrow's greatest threat. More historically and biblically accurate than The DaVinci Code and just as adventurous as an Indiana Jones movie, The Sacred Cipher, the first book in The Jerusalem Prophecies, combines action and mystery to draw readers into a world of ancient secrets and international escapades. When an ancient scroll appears in a secret room of the Bowery Mission in New York City, Tom Bohannon is both...
Author
Language
English
Description
Intrigue your friends with birthday prophecies, spin a mystifying wheel of fortune, travel through the Valley of Fear, and take on Dad's Challenge! This collection presents scores of intriguing brainteasers from the fascinating world of codes and ciphers. Assembled by a master puzzle-maker, these activities are inspired by sources as diverse as the Sherlock Holmes stories and the procedures of the U.S. Navy.
Code-breakers ages 8 and up can go on cryptic...
18) Rescue
Author
Language
English
Description
657 days ago Meg's British father left their home in France to fight the Nazis, leaving some codes in a jar for her to decipher, and Meg and her French mother moved to the Perche, a region in France near Normandy known for its forests; now Meg watches theGerman soldiers in town, and sometimes carries messages for the French resistance--but suddenly things have gotten much more dangerous: there is a wounded British officer hiding in her grandmother's...
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