A German patrol wiggles through Russian lines to return with details of Soviet defenses. An expert Luftwaffe interrogator teases secret information from downed Allied airmen. Two spies steal ashore in Maine and make their way into New York City. Filled with episodes of intrigue and adventure, Hitler's Spies reveals the workings of German intelligence--the famed Abwehr, the dreaded SD, the codebreakers, the spies, and the intelligence gatherers of the Foreign Office--and explains its failure to best the Allies. Draws on original documents and extensive interviews.

The magnificent, unrivaled history of codes and ciphers--how they're made, how they're broken, and the many and fascinating roles they've played since the dawn of civilization in war, business, diplomacy, and espionage--updated with a new chapter on computer cryptography and the Ultra secret.

Man has created codes to keep secrets and has broken codes to learn those secrets since the time of the Pharaohs. For 4,000 years, fierce battles have been waged between codemakers and codebreakers, and the story of these battles is civilization's secret history, the hidden account of how wars were...