Fighting for Their Country: Minorities at War: Minority Soldiers Fighting in the Civil War
Race in America: Race and Economics
Viewpoints on Modern World History: The Arms Race and Nuclear Proliferation
Newsmakers Set 2: Hillary Clinton: Historic Politician
Lucent Library of Black History: The Transatlantic Slave Trade: Slavery Comes to the New World
The Interwar Years: The Weimar Republic and the Rise of Fascism
Women in Science: Rosalind Franklin: DNA Discoverer
Women in Science: Chien-Shiung Wu: Nuclear Physicist
Race in America: What Are Race and Racism?
Science and Sustainability: Science and Sustainable Water
Viewpoints on Modern World History: AIDS and Other Killer Viruses and Pandemics
Fighting for Their Country: Minorities at War: Minority Soldiers Fighting in the Vietnam War
D-Day: The Essential Reference Guide
Encyclopedia of American Civil Rights and Liberties
US Supreme Court Landmark Cases: Marriage Equality: Obergefell v. Hodges
American Citizenship: Constitutional Rights
National Parks: Grand Canyon National Park
National Parks: Glacier National Park
National Parks: Great Smoky Mountains National Park