Paul Lunde

Assembling a wide range of contributions from many subject specialties, this lavishly illustrated encyclopedia surveys the development of code making and breaking throughout history, and in all areas of culture and society: religion and psychology, military studies, criminology, science and math, literature, music, and art.

very interesting.

This is essentially a coffee table book on the history of codes, traveling from the very earliest languages through the codes and jargon used to hide all kinds of information. This book is beautifully illustrated.