Gettysburg: The Last Invasion

Allen C. Guelzo is the Henry R. Luce Professor of the Civil War Era and Director of Civil War Era Studies at Gettysburg College. He is the author of Lincoln's Emancipation Proclamation: The End of Slavery in America and Abraham Lincoln: Redeemer President, both winners of the Lincoln Prize. Guelzo's essays, reviews, and articles have appeared in publications ranging from the American Historical Review and Wilson Quarterly to newspapers such as The Philadelphia Inquirer and The Wall Street Journal.