Presents the life and accomplishments of the African American scientist, whose keen observations of sea creatures revealed new insights about egg cells and the

Science wasn't the only area that Aristotle examined. He founded one of the most important schools of the ancient world. He offered ideas on the best way to liv

This biography illuminates the racial attitudes of an elite group of American scientists and foundation officers. It is the story of a complex and unhappy man.

Explores the world beyond the solar system and examines stars, galaxies, and the universe itself.

"Teachers will welcome [this treatment of]...a simple, clear biography of Rosa Parks...The male narrator reads clearly and unemotionally, presenting the facts a