War and Religion: An Encyclopedia of Faith and Conflict
The Bill of Rights: Freedom of Speech, the Press, and Religion: The First Amendment
Vaccines: History, Science, and Issues
National Parks: Yellowstone National Park
Collective Biographies: Women Scientists and Inventors
National Parks: Grand Canyon National Park
Special Reports, Set 2: The Gender Wage Gap
Women in Science: Jane Goodall: Primatologist and UN Messenger of Peace
National Parks: Great Smoky Mountains National Park
Hidden Heroes: The Stonewall Riots: The Fight for LGBT Rights
Encyclopedia of American Civil Rights and Liberties
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
Defying Convention: Women Who Changed the Rules: Women Writers
Special Reports, Set 2: The War on Poverty
Resisting the Holocaust: Upstanders, Partisans, and Survivors