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The extraordinary story of a headmaster turned cryptographer, and our top-secret war with the Kaiser's Reich. On 11 August 1914, just days after war had been declared, Australian Captain J.T....

A CUNNING CHRONICLE OF THE 50 CODES THAT ALTERED THE COURSE OF HISTORY AND CHANGED THE WORLD From the bestselling author of Bletchley Park Brainteasers and The Scotland Yard Puzzle...

Following the emergence of quantum computing, the subsequent quantum revolution will be that of interconnecting individual quantum computers at the global level. In the same way that classical computers only...

This book is about language designed to mean what it does not seem to mean. Ciphers and codes conceal messages and protect secrets. Symbol and magic hide meanings to imperil...

Using easy-to-follow mathematics, this textbook provides comprehensive coverage of block codes and techniques for reliable communications and data storage. It covers major code designs and constructions from geometric, algebraic, and...

THE NUMBER ONE BESTSELLING AUTHOR 'Top-class' The Times March 1943, the war hangs in the balance, and at Bletchley Park Tom Jericho, a brilliant young codebreaker, is facing a double...

A CUNNING CHRONICLE OF THE 50 CODES THAT ALTERED THE COURSE OF HISTORY AND CHANGED THE WORLDFrom the bestselling author of Bletchley Park Brainteasers and The Scotland Yard Puzzle Book....