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 strict vow of secrecy nearly erased their efforts from...

"Fearsome Gray Box operative Gideon Stone is devoted to his work and his team. He's never given reason to doubt his loyalty... until he's tasked with investigating Willow Harper, a beguiling cryptologist suspected of selling deadly bio-agents on the black market. He knows she's innocent. He knows she's being framed. And he knows that without him, Willow will be dead before sunrise. Thrust into the crossfire of an insidious international conspiracy,...

Friedman had a rare talent for spotting patterns and solving puzzles, and these skills led her to become one of the top cryptanalysts in America during both World War I and World War II. In 1916 she had been hired by an eccentric millionaire to prove that Shakespeare's plays had secret messages in them, and learned much about code breaking. Greenfield shows that Friedman and her husband, William, played a major role decoding messages during WWI and...

"From spy missions to code breaking, this richly illustrated account of the covert operations of World War II takes readers behind the battle lines and deep into the undercover war effort that changed the course of history. From the authors who created Eyewitness to World War II and numerous other best-selling illustrated reference books, this is the shocking story behind the covert activity that shaped the outcome of one of the world's greatest conflicts--and...

During the winter of 1952, British authorities entered the home of mathematician, cryptanalyst and war hero Alan Turing to investigate a reported burglary. They instead ended up arresting Turing himself on charges of "gross indecency," an accusation that would lead to his devastating conviction for the criminal offense of homosexuality - little did officials know, they were actually incriminating the pioneer of modern-day computing. Famously leading...

"There has been a great deal of writing the past several decades about Native American Code Talkers of World War Two. The published works have been about Navajos and the tremendous contribution they made in the Pacific campaigns of the war. What is often overlooked is the role played in both World Wars by men of other tribes. There were Cherokee, Choctaw, Comanche, Creek and other tribal representatives with their languages involved as well. Tales...