The Secret Book

Pearson's groundbreaking study of the art and science of secret writing remains a classic of the genre. Drawing on a wide range of historical and literary sources, he provides a compelling overview of the many different methods of code and cipher creation and decoding, from ancient times to the present day. With its engaging prose and fascinating insights, this book is a must-read for anyone interested in cryptography or espionage.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

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