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
U.S. Immigration Policy, Ethnicity, and Religion in American History
Real-World STEM: Eliminate the Threat of Nuclear Terror
Pioneering African Americans: African American Politicians & Civil Rights Activists
Current Controversies: The Border Wall with Mexico
Money in American Politics: An Encyclopedia
Spying, Surveillance, and Privacy in the 21st-Century: Surveillance and Your Right to Privacy
Prisons and Punishment in America: Examining the Facts
Homeland Security: A Reference Handbook
Special Reports Set 3: North Korea Today
Emerging Security Challenges: American Jihad, Terrorism, Civil War, and Human Rights