The Zimmerman Cypher


Book Description

In Newcastle upon Tyne, England the evening of September 23rd, 1993 is meant to be a night of celebration. Underworld kingpin Danny Chang has planned a surprise retirement party for his sometime good friend. Lieutenant Colonel Simon Boeck is ending his Army career as a decorated, highly trained occasionally shadowy Special Forces operative. No ordinary army officer, Boeck possesses amazing, incredible psychic powers. Unbeknown to the two friends a group of terrorists are intent on destroying the evening. Too late Boeck realises their intentions as, without warning, a van careers through the front of the restaurant followed by a violent confrontation which leaves one man dead and others seriously wounded. For the partygoers its certainly a meal to forget. For Markov Ransky, leader of the Albanian gang, its just the beginning of his reign of terror and violence as his men continue their campaign of kidnap, torture, sexual depravity and brutal murder. Physically damaged Detective Inspector Smokey Rover and his team are tasked to launch a desperate hunt to catch these men. The police are not the only ones determined in finding them as Chang eventually persuades Boeck to unleash his incredible skills in an attempt to exact, at any cost, justice. Yet unknown to all concerned is the fact that there are others waiting, unseen, ready to unleash their own kind of deadly revenge




The Zimmerman Cypher


Book Description

The night of September 23, 1993, in Newcastle, England, is meant to be a night of celebration. Danny Chang has planned a surprise retirement party for his good friend Lieutenant Colonel Simon Broeck, who is ending his career as a decorated army officer-but a group of thugs has a different plan. Without warning, a van careens through the front of the restaurant; a violent confrontation occurs, with one man left dead and many others wounded. For the partygoers, it's a meal they won't soon forget. For Markov Ransky, leader of the Albanian gang, it's just the beginning of a reign of terror and violence, as his men commit acts of sexual torture, kidnapping, and murder. Detective Police Inspector Smokey Rover and his team launch a desperate hunt to catch these men who are wreaking havoc throughout the country. But Rover is not the only one interested in bringing the ruthless gang to justice.







Codes and Ciphers


Book Description

This book explains the decoding and encoding of messages in a clear way; among are the classic tales area the Zimmermann telegram, the Purple machine and Ultra.




The Hidden History of Bletchley Park


Book Description

This book is a 'hidden' history of Bletchley Park during the Second World War, which explores the agency from a social and gendered perspective. It examines themes such as: the experience of wartime staff members; the town in which the agency was situated; and the cultural influences on the wartime evolution of the agency.




Crypto


Book Description

If you've ever made a secure purchase with your credit card over the Internet, then you have seen cryptography, or "crypto", in action. From Stephen Levy—the author who made "hackers" a household word—comes this account of a revolution that is already affecting every citizen in the twenty-first century. Crypto tells the inside story of how a group of "crypto rebels"—nerds and visionaries turned freedom fighters—teamed up with corporate interests to beat Big Brother and ensure our privacy on the Internet. Levy's history of one of the most controversial and important topics of the digital age reads like the best futuristic fiction.




Code Breaking


Book Description

A brilliant history and exploration of the art and science of cryptography, from Caesar to computer hackers. Illustrations. 22,500.







The Cryptoclub


Book Description

Join the Cryptokids as they apply basic mathematics to make and break secret codes. This book has many hands-on activities that have been tested in both classrooms and informal settings. Classic coding methods are discussed, such as Caesar, substitution, Vigenère, and multiplicative ciphers as well as the modern RSA. Math topics covered include: - Addition and Subtraction with, negative numbers, decimals, and percentages - Factorization - Modular Arithmetic - Exponentiation - Prime Numbers - Frequency Analysis. The accompanying workbook, The Cryptoclub Workbook: Using Mathematics to Make and Break Secret Codes provides students with problems related to each section to help them master the concepts introduced throughout the book. A PDF version of the workbook is available at no charge on the download tab, a printed workbook is available for $19.95 (K00701). The teacher manual can be requested from the publisher by contacting the Academic Sales Manager, Susie Carlisle




Games & Puzzles


Book Description