Explores ways in which the various activities of women during the Civil War altered their role in society and led to new initiatives in women's rights.

Describes the various weapons developed and used during the Civil War, such as longarms, handguns, swords, cannons, naval weapons, and mines, and explores that era as the beginning of modern weaponry.

Describes Samuel Morse's career as a painter and inventor, and how his development of the Morse's code laid the groundwork for modern telecommunications.

Describes the characteristics of the planet Jupiter and its moons, as revealed by photographs sent back by unmanned spaceships.

General information on the history of these rodents and instructions for raising them as pets.

Describes the history, customs, religion, and day-to-day life of the Sioux (also known as Dakota) Indians of the Great Plains.

Provides an overview of the military battles and political changes that occurred during World War I.

A study of how volcanoes develop and the effects of their eruptions on Earth. Also discusses famous volcanic eruptions.