Vaccines: History, Science, and Issues
Hidden Heroes: The Stonewall Riots: The Fight for LGBT Rights
The Bill of Rights: Freedom of Speech, the Press, and Religion: The First Amendment
Women in Science: Jane Goodall: Primatologist and UN Messenger of Peace
National Parks: Yellowstone National Park
Collective Biographies: Women Scientists and Inventors
National Parks: Grand Canyon National Park
Hidden Heroes: Women with Wings: Women Pilots of World War II
US Supreme Court Landmark Cases: Desegregating Schools: Brown v. Board of Education
National Parks: Great Smoky Mountains National Park
Race in American Film: Voices and Visions That Shaped a Nation
National Parks: Yosemite National Park
National Parks: Glacier National Park
National Parks: Everglades National Park
American Citizenship: Constitutional Rights
The Sea in World History: Exploration, Travel, and Trade
Special Reports, Set 2: The Gender Wage Gap
Defying Convention: Women Who Changed the Rules: Women Writers
Special Reports, Set 2: The War on Poverty
Resisting the Holocaust: Upstanders, Partisans, and Survivors