David S. Heidler and Jeanne T. Heidler . Henry Clay: The Essential American . New York : Random House . 2010 . Pp. xxiv, 595. $30.00. Robert V. Remini . At the Edge of the Precipice: Henry Clay and the Compromise that Saved the Union . New York : Basic Books . 2010 . Pp. xiii, 184. $24.00.
Elizabeth R. Varon . Disunion! The Coming of the American Civil War, 1789–1859. (The Littlefield History of the Civil War Era.)Chapel Hill : University of North Carolina Press . 2008 . Pp. xii, 455. $30.00.