Ray Spangenburg
The American Indian Experience (American Historic Places Series)
African Americans in Science, Math, and Invention (A to Z of African Americans)
Carl Sagan: A Biography (Greenwood Biographies)
African Americans in Science, Math, and Invention (A to Z of African Americans)
Werhner Von Braun: Space Visionary and Rocket Engineer (Makers of Modern Science)
Niels Bohr: Atomic Theorist (Makers of Modern Science)
Barbara McClintock: Pioneering Geneticist (Makers of Modern Science)
Project Gemini (Out of This World)
Venus (Watts Library : Space)
Makers of Modern Science, New Set
The History of Nasa (Out of This World)
If an Asteroid Hit Earth (Out of This World)
Early Settlements (American Historic Places)
Civil Liberties (Open for Debate)
TV News: Can It Be Trusted? (Issues in Focus)
Genetic Engineering (Open for Debate)
Science and Invention (American Historic Places)
Political and Social Movements (American Historic Places)
The African-American Experience (American Historic Places)
The Story of America's Bridges (Connecting a Continent)
Literature and the Arts (Historical Places)