<human>: What are some of the best books on the history of the United States?
<bot>: Some of the best books on the history of the United States include A History of the United States by Howard Zinn, American Slavery, American Freedom: The Story of African Americans by D.W. Griffiths, The Fiery Trial: Abraham Lincoln and American Slavery by Eric Foner, and This Republic of Suffering: Death and the American Civil War by Drew Gilpin Faust.