The Sharpshooter Brimstone

"The story of Andersonville prison camp was written in blood, with few left alive to tell it. Union Army sharpshooter Jed Wells was one of them, and he was sworn to share the tales of those who suffered and died beside him. It is a promise that has brought Jed to Kansas and to small-town sheriff Amos Broughton, a friend and fellow survivor of hell on earth. But Broughton's dangerous obsession with a mysterious man threatens to explode in a vengeful rain of bullets and death--forcing Jed Wells to take up his rifle to save a soul damned by terrible secrets that are buried with the bones of captured soldiers in the Georgia mud"--