"Ghosts Comic books, strips, etc." . . . "Graphic novels"@en . . . "\"Somewhere in the mysterious Shadow Valley lies a secret that could forever change the frontier. Only a posse of superhuman gunmen can defend that secret from a tribe of ghostly warriors, an advancing army led by a deranged colonel, and the perils of the valley itself,\"--back cover."@en . . "Paranormal fiction"@en . "Electronic books"@en . . . "\"Somewhere in the mysterious Shadow Valley lies a secret that could forever change the frontier. Only a posse of superhuman gunmen can defend that secret from a tribe of ghostly warriors, an advancing army led by a deranged colonel, and the perils of the valley itself,\"--back cover."@en . "The guns of Shadow Valley"@en . . . "Steampunk comic books, strips, etc"@en . "Comic books, strips, etc"@en . . . . . . . "Ghost stories Comic books, strips, etc." . . . . "Superheroes Fiction Comic books, strips, etc." . .