In early 1942, during the darkest months following the bombing of Pearl Harbor, a group of 29 Navajo Marines, young and fresh out of boot camp, were taken into a room with bars on the windows and a guard at the door. Their task: devise a top-secret code that would thwart the sharpest cryptanalytic minds in Imperial Japan. And they succeeded.

• ISBN: 9780972889612
• Published: 2008 , Whispering Dove Design
• Themes: Indigenous, Language, Navajo, Soldiers, World War II
• Descriptors: Americas, Nonfiction, North America, United States, Young Adult (ages 14-18)
• No. of pages: 91