Understanding the Executive Branch: Inside the Department of Energy
Real-World STEM: Global Access to Clean Water
Understanding the Executive Branch: Inside the Department of Agriculture
Real-World STEM: Eliminate the Threat of Nuclear Terror
Are We Safe Enough?: Measuring and Assessing Aviation Security
US Supreme Court Landmark Cases: Separate but Equal: Plessy v. Ferguson
A Visual History of the World: A Visual History of Soldiers and Armies Around the World
The American Political Party System: A Reference Handbook
Women's Lives in History: Women in Politics and Government
Presidential Power: Documents Decoded
Campaigning for President in America, 1788-2016
Encyclopedia of Historical Warrior Peoples & Modern Fighting Groups
Military Technology: Top Secret Clearance: Small Arms Up Close
Military Technology: Top Secret Clearance: Tanks of World War II Up Close