War and Religion: An Encyclopedia of Faith and Conflict
National Parks: Great Smoky Mountains National Park
The Sea in World History: Exploration, Travel, and Trade
Women in Science: Jane Goodall: Primatologist and UN Messenger of Peace
The Nile: An Encyclopedia of Geography, History, and Culture
Race in American Film: Voices and Visions That Shaped a Nation
The Holocaust: An Encyclopedia and Document Collection
Hidden Heroes: Women with Wings: Women Pilots of World War II
Special Reports, Set 2: The Gender Wage Gap
Hidden Heroes: The Stonewall Riots: The Fight for LGBT Rights
US Supreme Court Landmark Cases: Desegregating Schools: Brown v. Board of Education
US Supreme Court Landmark Cases: Marriage Equality: Obergefell v. Hodges
National Parks: Yosemite National Park
National Parks: Glacier National Park
National Parks: Everglades National Park
American Citizenship: Constitutional Rights
Special Reports, Set 2: The War on Poverty
Defying Convention: Women Who Changed the Rules: Women Writers
Crime and Punishment in America: An Encyclopedia of Trends and Controversies in the Justice System