"Why don't trees grow on prairies? What exactly is a zebra mussel? How have human beings changed the land in Illinois? You can find the answers to these questions in this book, which contains all kind
"How did glaciers affect the land of Illinois? Why has Illinois always been a center for transportation? Which Illinois county grows more corn than any other? You can find the answers to these ques
Describes the first people to live in the Plains region of North America, discussing their culture, customs, ways of life, interactions with other settlers, and their lives today.
Describes the first people to live in the Southeast region of North America, discussing their culture, customs, ways of life, interactions with other settlers, and their lives today.
Traces the history of the underground transportation system in New York City, discussing the politics involved, how it was financed, the men who built it, and the construction techniques.
"Where did the first people live in Illinois? How have different groups of immigrants influenced the state? Which Illinoisans became famous people, political leaders, and even presidents of the United
Describes the use of the Navajo language in World War II, discussing why it was used, how the code was developed, and the Native Americans who bravely fought for the United States.
Recounts events of September 11, 2001, when terrorists flew into the World Trade Center and the Pentagon, discusses what is known of the terrorists, and relates how America has responded to the traged