Stille, Darlene R

A simple explanation of blimps, airships that are lighter than air, and how they have been used in both war and peace.

Traces the history of the Statue of Liberty, exploring how and why it was built and what it means to the American public.

An introduction to the capitol building in Washington, D.C., that describes its structure, uses, and construction.

Describes how oil spills occur, the damage they cause to the environment, clean-up operations, and ways to prevent oil spills.

Photographs and text provide a brief description of the Nazi persecution of Jews in the first half of the twentieth century, discussing the development of the "Final Solution," and related topics. Includes a time line and other resources.

Discusses the erosion and pollution of soil, the harmful effects of these processes, and ways of preventing them.

Discusses the benefits of air, and looks at the harmful effects and methods of preventing air pollution.

Chronicles five presidential administrations from Theodore Roosevelt to Calvin Coolidge that profiles their early years, political careers, presidency, and legacy.

Simply describes the functioning of the digestive system and explains the process of digestion.

Text and illuminative color diagrams describe the science of water waves, sound waves, light waves, radio waves, and earthquake waves.