What You Should Know About The U.S. Presidents
Covert Careers: Jobs You Can't Talk About: Inside the Special Forces
Checks and Balances in the U.S. Government: The Judicial Branch: Evaluating and Interpreting Laws
Checks and Balances in the U.S. Government: The Executive Branch: Carrying Out and Enforcing Laws
Covert Careers: Jobs You Can't Talk About: Inside Interpol
Covert Careers: Jobs You Can't Talk About: Inside the DEA
Covert Careers: Jobs You Can't Talk About: Inside the Secret Service
Real-World STEM: Eliminate the Threat of Nuclear Terror
Pioneering African Americans: African American Politicians & Civil Rights Activists
Spies: The U.S. and Russian Espionage Game from the Cold War to the 21st Century
Current Controversies: The Border Wall with Mexico
Money in American Politics: An Encyclopedia
Emerging Security Challenges: American Jihad, Terrorism, Civil War, and Human Rights
Federal Data Science: Transforming Government and Agricultural Policy Using Artificial Intelligence
U.S. Immigration Policy, Ethnicity, and Religion in American History
Mass Shootings in America: Understanding the Debates, Causes, and Responses
Prisons and Punishment in America: Examining the Facts