From the fall of Troy to interstellar messages by way of the Underground Railroad and Captain Midnight, Secret Messages is a collection of ninety-five of the most interesting examples of code and concealed communications throughout history. Authors William S. Butler and L. Douglas Keeney have compiled a fascinating array of encrypted communications from a varied field. Many of these examples are from times of war, including the story of how a too simple code was the undoing of Benedict Arnold, and how Commander Jeremiah Denton blinked in Morse code to indicate that his North...
From the fall of Troy to interstellar messages by way of the Underground Railroad and Captain Midnight, Secret Messages is a collection of nine...