National Parks: Great Smoky Mountains National Park
National Parks: Grand Canyon National Park
National Parks: Yosemite National Park
National Parks: Yellowstone National Park
National Parks: Glacier National Park
American Citizenship: Constitutional Rights
Auschwitz, Bergen-Belsen, Treblinka: The Holocaust Camps
Hitler, Goebbels, Himmler: The Nazi Holocaust Masterminds
Wiesel, Wiesenthal, Klarsfeld: The Holocaust Survivors
Legendary African Americans: The Life of Marian Anderson: Diva and Humanitarian
Legendary African Americans: The Life of Aretha Franklin: Queen of Soul
Pioneering African Americans: African American Soldiers
Westward Expansion: America's Push to the Pacific: Settlers, Traders, and Trails
Westward Expansion: America's Push to the Pacific: The Gold Rush
Scientists and Inventors of the Renaissance
The Grand Canyon: An Encyclopedia of Geography, History, and Culture
Crisis in a Divided Korea: A Chronology and Reference Guide