Night of the Clockwork Marshal - Charles Reeves - Bog

Missouri, 1864 and the dead walk after an ancient evil is awakened. A confederate airship flies into an isolated town in the hopes of finding a brilliant inventor, but, instead stumble upon an ancient evil force. Now, a pair of confederate spies must decide; do they abandon the town to the walking dead or throw in with the town's Provost Marshal and help the town survive the night.