Unbreakable: The Spies Who Cracked the Nazis' Secret Code [Paperback]

An Amazon, Chicago Public Library, andBooklistBest Book of the Year!

Unbreakableis the edge-of-your seat true story of the codebreakers, spies, and navy fighters who helped defeat the Nazis and turned the tide of World War IIperfect for fans ofThe Imitation Game,Alan Gratz, and Jennifer Nielsen.

A thrilling adventure of intrigue and daring worthy of the best James Bond stories. James Ponti,New York Timesbest-selling author ofCity Spies

As the Germans waged a brutal war across Europe, details of every Nazi plan, every attack, every troop movement were sent over radio. But to the Allied troops listening inand they were always listeningthe crucial messages sounded like gibberish. The communications were encoded with a powerful cipher, making all information utterly inaccessible . . . unless you could unlock the key to the secret code behind the Germans powerful Enigma machine.

Complete with more than sixty historical photos,Unbreakabletells the true story of one of the most dangerous war-time codebreaking efforts ever. While Hitler marched his troops across newly conquered lands and deadly wolfpacks of German U-Boats prowled the open seas, a team of codebreakers, spies, and navy men raced against the clock to uncover the secrets that hid German messages in plain sight. Victoryor defeatin World War II would hinge on their desperate attempts to crack the code.

Rebecca E. F. Baroneholds a Bachelor of Arts in English and a Bachelor of Science in Mechanical Engineering from Bucknell University along with multiple graduate degrees in mechanical engineering. Her technical projects include injury analysis for the National Football League, and her short-form STEM writing has been published in the award-winningMusemagazine. She is passionate about serving and mentoring underrepresented populations in STEM. She is also the author ofRace to the BotlóÓ