Encyclopedia of American Civil Rights and Liberties
War and Religion: An Encyclopedia of Faith and Conflict
Vaccines: History, Science, and Issues
National Parks: Yellowstone National Park
Hidden Heroes: Women with Wings: Women Pilots of World War II
Race in American Film: Voices and Visions That Shaped a Nation
National Parks: Yosemite National Park
Hidden Heroes: The Stonewall Riots: The Fight for LGBT Rights
National Parks: Glacier National Park
National Parks: Great Smoky Mountains National Park
National Parks: Everglades National Park
The Nile: An Encyclopedia of Geography, History, and Culture
US Supreme Court Landmark Cases: Desegregating Schools: Brown v. Board of Education
American Citizenship: Constitutional Rights
US Supreme Court Landmark Cases: Marriage Equality: Obergefell v. Hodges
Defying Convention: Women Who Changed the Rules: Women Writers
National Parks: Grand Canyon National Park
Special Reports, Set 2: The War on Poverty
Explorers of the American West: Mapping the World through Primary Documents