How many people is too many? What happens when too many people are crowded into too little space? What can be done to control the world's population? Read this book to learn more about overpopulation and start thinking about what can and should be done to address this important issue.

What is terrorism? Why do people commit acts of terrorism? What can be done to stop terrorists? Find out more about why people commit acts of violence against innocent people and start forming your own opinions about what should be done to address this worldwide threat.

A biography of the South African leader who became a civil rights activist, political prisoner, and president of South Africa. The most highly recognized series on African Americans celebrates Black History Month all year long! Journey to Freedom: The African American Library provides fascinating information on the heroic stories of African Americans who have played leading roles in shaping world history. Packed with vintage photographs that bring...

What causes pollution? How does pollution affect the environment? Why should we care about pollution? Read this book to find out more about the social, environmental, and economic issues related to pollution and what you can do about it.

It may be hard to believe in a world full of automobiles, but bicycles are still a favorite means of transportation for many people around the world. This book introduces readers to the history of bicycles and the economics of manufacturing them.

You may have traveled thousands of miles in your family's car. Did you know that some parts of that car might have traveled halfway around the world before the car ended up in your family's garage? Look inside to find out more about how cars are manufactured by companies in many different countries.

This title provides information on Coal as a source of energy. It highlights the positives and negatives of coal and discusses clean coal technology.