Carla Mooney

Where did the American democratic tradition begin? From ancient civilizations in Greece and Rome to the Enlightenment in Europe, democratic ideas throughout time have influenced the development of democracy in the United States. In The U.S. Constitution: Discover How Democracy Works, children ages 9 through 12 learn about the foundation of democracy and how the documents crafted hundreds of years ago still have an impact on our country today. They...

An introduction to the world of the human brain and its effect on behavior covers such topics as brain anatomy, the science of memory, and the latest understanding about the role of lifestyle choices on brain health.

Introduces the world of protons, neutrons, and electrons. Learn how atoms and molecules combine to form ordinary objects, such as a chair, the water in a glass, and even people.

Provides a history of the steel industry, discussing the life of a steelworker, the effects the unions had on working conditions, and future of the industry.