Joining the elite Bletchley Park codebreaking team during World War II, three women from very different walks of life uncover a spy's dangerous agenda years later against the backdrop of the royal wedding of Elizabeth and Philip. 1940. As England prepares to fight the Nazis, three very different women answer the call to Bletchley Park, where the best minds in Britain train to break German military codes. Osla puts her fluent German to use as a translator...

An American computer hacker operating in Southeast Asia attempts to break a World War II cypher to find the location of a missing shipment of gold. The gold was stolen by the Japanese during the war. By the author of The Diamond Age.

"As World War II rages in North afr5ica, General Irwin Rommel marches his troops swiftly through Egypt, aiming to overrun he entire Middle East. An uncanny sense of his enemies' weaknesses and positions informs each move. The Nazis, somehow, have a source for the Allies' greatest secrets. Yet Rommel is not the only one with stolen knowledge. allies cryptographers are breaking the extraordinarily complex Nazi code Enigma. On the brink of disaster,...

"A nonfiction chronicle of the courageous efforts of remarkable young women recruited by the US government to crack German and Japanese military codes during World War II."--Provided by publisher.

"Codes can carry big secrets! Throughout history, lots of good guys and lots of bad guys have used codes to keep their messages under wraps. This fun and flippable nonfiction features stories of hidden treasures, war-time maneuverings, and contemporary hacking as well as explaining the mechanics behind the codes in accessible and kid friendly forms. Sidebars call out activities that invite the reader to try their own hand at cracking and crafting...

"Geniuses at War is the dramatic, untold story of the brilliant team who built the world's first digital electronic computer at Bletchley Park, during a critical time in World War II. Decoding the communication of the Nazi high command was imperative for the success of the Allied invasion of Normandy. The Nazi missives were encrypted by the "Tunny" cipher, a code that was orders of magnitude more difficult to crack than the infamous Enigma code. But...

"The entire vast, modern American intelligence system--the amalgam of three-letter spy services of many stripes--can be traced back to the dire straits the world faced at the dawn of World War II. Prior to 1940, the United States had no organization to recruit spies and steal secrets or launch covert campaigns against enemies overseas and just a few codebreakers, isolated in windowless vaults. It was only through Winston Churchill's determination...

"Want to learn how to make and break top secret messages like a real spy? IF so, this is the book for you! Inside are more than 80 pages of tips, tricks, and practice exercises for writing and deciphering cryptic communications. You'll learn how to make your own invisible ink, hide your messages, create unbreakable ciphers, and craft your own decoder gadgets. You can use this manual to learn how to exchange top secret notes with friends"--Page [4]...