Our Campaign Around Gettysburg: What the Twenty-Third Regiment (N.Y.S.N.G.) and the Regiments That Served With Them in Their Campaign in Pennsylvania and Maryland During the Second Rebel Invasion Became, Endured, and Achieved by John Lockwood tells the story of the ordeal, the suffering and achievements of soldiers during the battle of Gettysburg during the American Civil War. The book provides detailed descriptions of combat operations, life on the front lines, relations between the military and interactions with local residents. This is an important monument to the feat of soldiers who fought on the battlefield for the sake of faith in their own country and freedom.