Terry Allan Hicks

An introduction to the way in which all mountains form and change.

Explore the geography, climate, history, people, government, and economy of the District of Columbia. The third edition of this popular series provides lists of key people, sites, monuments, neighborhoods, plants and animals, political figures, industries, and events in the Nation's Capital.

Learn about oil, an important resource in today's fast-paced world, and its benefits and downfalls, how oil became so popular, and what its continued use means for the environment and for people on Earth.