Cause & Effect: Modern Wars: World War II
Cause & Effect: Modern Wars: The Cold War
Understanding the Executive Branch: Inside the Department of Homeland Security
Church and State: Documents Decoded
Understanding the Executive Branch: Inside the Department of Transportation
Westward Expansion: America's Push to the Pacific: Native American Treatment and Resistance
The Cold War Chronicles: The Legacy of the Cold War
Understanding the Executive Branch: Inside the Department of Commerce
Understanding the Executive Branch: Inside the Department of Labor
Westward Expansion: America's Push to the Pacific: Settlers, Traders, and Trails
Understanding the Executive Branch: Inside the Department of Energy
Thinking Critically: Terrorism
The Civil War and Reconstruction Eras: Documents Decoded
The Great Depression and the New Deal: Key Themes and Documents
American History: The Story of the Constitution: Creating the U.S. Government
Russian Revolution of 1917: The Essential Reference Guide
The State and Federal Courts: A Complete Guide to History, Powers, and Controversy
Our Basic Freedoms: Freedom of Speech
The Roots and Consequences of Civil Wars and Revolutions: Conflicts That Changed World History