Frontier Earth Series by Bruce Boxleitner, William H. Keith Jr.

Known for his role as Captain Sheridan on the science fiction television series Babylon 5, Bruce Boxleitner creates a brand new science fiction legend featuring a stranger -- an alien from another world -- in a strange land: the American West of the late 1800s.

Actor/writer Bruce Boxleitner, known to the fans of TV's Babylon 5 as "Captain Sheridan," returns with the second novel in his exciting Frontier Earth series...In the American West of the early 1880's, the extraterrestrial who calls himself Macklin continues his quest to uncover his true identity, and fulfill his mission on Earth. But the predatory alien Kra'agh are also on a quest-to hunt him down and kill him.