Text and illustrations introduce various codes and ciphers and give examples of their use throughout history.

In 1916, at the height of World War I, brilliant Shakespeare expert Elizebeth Smith went to work for an eccentric tycoon on his estate outside Chicago. The tycoon had close ties to the U.S. government, and he soon asked Elizebeth to apply her language skills to an exciting new venture: code-breaking. There she met the man who would become her husband, groundbreaking cryptologist William Friedman. Though she and Friedman are in many ways the "Adam...

Briefly explores the work of a number of spies and code breakers working against the Nazis in World War II, such as agents code named "Garbo" and "Agent Zigzag," as well as Alan Turing and Barbara Lauwers.

" "You are to report to Station X at Bletchley Park, Buckinghamshire, in four days time ... That is all you need to know." This was the terse telegram hundreds of young women throughout the British Isles received in the spring of 1941, as World War II raged. As they arrived at Station X, a sprawling mansion in a state of disrepair surrounded by Spartan-looking huts with little chimneys coughing out thick smoke-these young people had no idea what kind...

In the brutal World War II Battle of Saipan, Sergeant Joe Enders (Nicolas Cage) guards -- and befriends -- Ben Yahzee (Adam Beach), a young Navajo trained in the one wartime code never broken by the enemy...the Navajo Code. But if Yahzee should fall into enemy hands, how far will Enders go to save the military's most powerful secret? John Woo directs this action-packed epic inspired by the true story of the Navajo soldiers whose courage and sacrifices...

"Amidst a complicated history of mistreatment by and distrust of the American government, the Navajo people--especially bilingual code talkers--helped the Allies win World War II"-- Provided by publisher.