Recruited by the U.S. Army and Navy from small towns and elite colleges, more than ten thousand women served as codebreakers during World War II. While their brothers and boyfriends took up arms, these women moved to Washington and learned the meticulous work of code-breaking. Their efforts shortened the war, saved countless lives, and gave them access to careers previously denied to them.

"A sweeping history of the NSA and its codebreaking achievements from World War II through the Cold War shares insights into the challenges faced by cryptanalysts and their role in some of the most complicated events of the twentieth century,"--NoveList.

From imposters and hidden compartments to secret handshakes and coded letter, here is a thoroughly entertaining account of the role of spycraft during the American Revolution.

"By the time the United States joined the Second World War in 1941, the fight against Nazi and Axis powers had already been under way for two years. In order to win the war and protect its soldiers, the US Marines recruited twenty-nine Navajo men to create a secret code that could be used to send military messages quickly and safely across battlefields. Author James Buckley Jr. explains how these brave and intelligent men developed their amazing code,...

"The author's great-uncle John Bear King was a Sioux Indian in the First Cavalry in the Second World War. Her book follows seven Sioux who put aside a long history of prejudice against their people and joined the fight against Japan, using their native language as a secret code for the Americans. The Sioux and other tribal code-talking groups have historically taken a backseat to the Navajo Code Talkers, until a presidential act of recognition was...