Breaking the Codes is a cultural history of the fin-de-siecle that uses the "problem" of the criminal woman to examine both the debates around the appropriate p

The award-winning New York Times bestseller about the American women who secretly served as codebreakers during World War II--a "prodigiously researched and eng

This unique book explains the basic issues of classical and modern cryptography, and provides a self contained essential mathematical background in number theor

Ever since humans first began to communicate, we’ve had secrets to keep — secrets of state, war, business, or the heart. From the moment the first secret me

Reveals the underlying messages that can affect family communication and dynamics, decoding the secret language of adolescence and dealing with such issues as p