This is the first book-length, critical analysis of Lieutenant General James Longstreet's actions at the Battle of Gettysburg. The author argues that Longstreet's record has been discredited unfairly, beginning with character assassination by his contemporaries after the war and, persistently, by historians in the decades since. By closely studying the three-day battle, and conducting an incisive historiographical inquiry into Longstreet's treatment by scholars, this book presents an alternative view of Longstreet as an effective military leader, and refutes over a century of negative evaluations of his performance.