Espionage and intrigue have always played a role in the history of the United States, from the American Revolution and Benedict Arnold to the cyber-spying activities of today. The first volume of this set focuses on national security and defense and leaks of sensitive governmental and political information. The second volume is dedicated to corporate whistle blowing, industrial espionage, and trade secrets. A variety of motives stand behind the actions of those featured in this set, from greed and power to a strong sense of patriotism and national pride. Each in-depth chapter provides a thorough commentary and analysis of each primary source document, often reprinted in its entirety. Commentary includes a Summary, Overview, Defining Moment, Author Biography, Detailed Document Analysis, and discussion of Essential Themes. Many of these chapters are bolstered through the inclusion of Supplemental Historical Documents, which broaden the scope of the book and offer additional context.