Gettysburg, July 1 presents the most detailed regimental-level account ever written of the critical first day of the Civil War's greatest battle. Using firsthand sources, most of which are unpublished and some never before cited, Gettysburg, July 1 combines recent scholarly interpretations of the action with original analysis by the author. It takes a fresh approach to the battle at the tactical level, with emphasis on the experience and competence of regimental and brigade commanders.