James M. McPherson is the author of Battle Cry of Freedom: The Civil War Era, which won a Pulitzer Prize in history, and For Cause and Comrades: Why Men Fought in the Civil War, a Lincoln Prize winner. He is the George Henry Davis Professor of American History at Princeton University in New Jersey, where he also lives. His newest book, entitled Abraham Lincoln, celebrates the 200th anniversary of Lincoln's birth with a short, but detailed look at this president's life.