Doomed!: Plague: The Black Death
Frontline Families: The Vietnam War: Frontline Soldiers and Their Families
Timeline Trackers: Westward Expansion: A Timeline History of the Transcontinental Railroad
Exploring Positive Psychology: The Science of Happiness and Well-Being
Frontline Families: The American Revolution: Frontline Soldiers and Their Families
Understanding Latino History: Excavating the Past, Examining the Present
The French Revolution, Napoleon, and the Republic: Liberte, Egalite, Fraternite
Crime and Punishment in America: An Encyclopedia of Trends and Controversies in the Justice System
Tech in the Trenches: Strategic Inventions of the Vietnam War
Today's Economic Issues: Democrats and Republicans
Engineering Wonders: Great Wall of China
Primary Sources of the Abolitionist Movement: Slave Narratives and the Writings of Freedmen
The Early Republic: Documents Decoded