The holding of prisoners of war has always been both a political and a military enterprise, yet the military prisons of the Civil War, which held more than four hundred thousand soldiers and caused the deaths of fifty-six thousand men, have been nearly forgotten. Now Lonnie R. Speer has brought to life the least-known men in the great struggle between the Union and the Confederacy, using their own words and observations as they endured a true hell on earth. Drawing on scores of previously unpublished firsthand accounts, Portals to Hell presents the prisoners experiences in great detail...