<human>: I want to learn more about the history of the United States. What are some good books on the topic?
<bot>: Some good books on the history of the United States include "American History: A Chronology" by Henry Steele Commager and Richard B. Morris, "A People's History of the United States" by Howard Zinn, "The Story of America" by Susan Wise Bauer, and "This Country Was Ours: The Story of the African American Struggle for Freedom" by James M. McPherson.