A pleasure to read.' - Chicago Tribune 'mendably lucid. Singh's an elegant writer and well-suited to the task of leading the mathematically perplexed through areas designed to be tricky.' - Seattle Weekly 'An absorbing tale of codemaking and codebreaking over the centuries.' - Scientific American 'Singh spins tales of cryptic intrigue in every chapter.' - The Wall Street Journal 'Brings together.the geniuses who have secured communications, saved lives, and influenced the fate of nations. Offers a fascinating glimpse into the mostly secret competition between codemakers and codebreakers.' - USA Today 'A good read that, bless it, makes the reader feel a bit smarter when it's done. Singh gives cryptography not only its historical dimension but its human one.' - The New York Times 'Entertaining and satisfying. book provides a timely and entertaining summary of the subject.' - The Economist, 'It would be hard to imagine a clearer or more fascinating presentation. book provides a timely and entertaining summary of the subject.' -The Economist, 'It would be hard to imagine a clearer or more fascinating presentation. A pleasure to read.' -Chicago Tribune 'mendably lucid.

Singh's an elegant writer and well-suited to the task of leading the mathematically perplexed through areas designed to be tricky.' -Seattle Weekly 'An absorbing tale of codemaking and codebreaking over the centuries.' -Scientific American 'Singh spins tales of cryptic intrigue in every chapter.' -The Wall Street Journal 'Brings together.the geniuses who have secured communications, saved lives, and influenced the fate of nations. Offers a fascinating glimpse into the mostly secret competition between codemakers and codebreakers.' -USA Today 'A good read that, bless it, makes the reader feel a bit smarter when it's done. Singh gives cryptography not only its historical dimension but its human one.' -The New York Times 'Entertaining and satisfying.

'It would be hard to imagine a clearer or more fascinating presentation.

The code book singh