Intelligence in the American Civil War by Thomas AllenCall Number: eBook
Though much has been written about the American Civil War itself, little has been written about the spy war that went on within. Each side still used age-old intelligence techniques, such as code-breaking, deception, and covert surveillance. However, into this modern war came two innovations that would endure as tools of espionage: wiretapping and overhead reconnaissance.their information, the important missions, and the personalities. From this special view, the focus is not on the battlefield, but on a battle of wits.