US Supreme Court Landmark Cases: Marriage Equality: Obergefell v. Hodges
National Parks: Glacier National Park
Vaccination and Its Critics: A Documentary and Reference Guide
Special Reports, Set 2: The War on Poverty
US Supreme Court Landmark Cases: Desegregating Schools: Brown v. Board of Education
Women in Science: Jane Goodall: Primatologist and UN Messenger of Peace
War and Religion: An Encyclopedia of Faith and Conflict
Hidden Heroes: Women with Wings: Women Pilots of World War II
The Bill of Rights: Freedom of Speech, the Press, and Religion: The First Amendment
National Parks: Everglades National Park
Collective Biographies: Women Scientists and Inventors
Special Reports, Set 2: The Gender Wage Gap
Defying Convention: Women Who Changed the Rules: Women Writers
National Parks: Yellowstone National Park
National Parks: Great Smoky Mountains National Park
American Citizenship: Constitutional Rights
The Holocaust: An Encyclopedia and Document Collection
Resisting the Holocaust: Upstanders, Partisans, and Survivors
Crisis in a Divided Korea: A Chronology and Reference Guide
Crime and Punishment in America: An Encyclopedia of Trends and Controversies in the Justice System