Text and photos present the key events, battles, weapons, uniforms, and cultural phenomena, such as propaganda, of the Axis and Allies during the Second World War.

Provides information about oil and other petroleum products, explaining what they are and how they are used; discussing oil exploration, drilling, and refining; and looking at the problem of pollution and alternatives to oil as a fuel source. Includes clip-art CD-ROM and wall chart.

A photo essay documenting ancient Rome and the people who lived there as revealed through the many artifacts they left behind, including shields, swords, tools, toys, cosmetics, and jewelry.

An introduction to various animal species that are threatened with extinction, including polar bears, sea turtles, river dolphins, jaguars, gibbons, and others; and discusses ways to help them survive.

Discover why hurricanes and tornadoes are so destructive. Understand the impacts of extreme weather and how forecasting and warning systems help keep people safe.

The elements in the periodic table are the ingredients that make up our world. Explore elements such as carbon, oxygen, and hydrogen, and learn why they are essential to our survival. See how precious gold protects astronauts in space, and why the metal mercury can be both a solid and a liquid. Find out about man-made elements, which the smartest chemists are busy figuring out how to use. Learn about scores of other elements, including silver, the...

Discusses the history of astronomy, including the discovery of the planets, sun, stars, and distant galaxies, and details human exploration of the universe.