Bureau 13 Damned Nation

Amid the fury and chaos of the Civil War, something monstrous is feeding upon the wounded soldiers, leaving behind withered corpses broken and twisted in unimaginable agony. Definitely not the work of a vampire. U.S. Marshall Joshua Withers is ordered by President Lincoln to stop the hideous deaths. Has the South unleashed a demon from Hell? But the marshall soon discovers that the mysterious enemy has been attacking every fallen soldier in the war, both Union and Confederate. President Jefferson Davis wants the unknown fiend stopped just as much as President Lincoln. Ruthlessly hunting a dark thing unafraid of guns, fire, silver, or Holy Water, the grim marshall starts to believe that the killer is not a werewolf, vampire, demon, or anything else known in the lexicon of the supernatural. This is something new, something horribly different. And the battlefield deaths are only the beginning...