Gun Man — Loren D. Estleman

After killing for the first time in his life, Eugene must run for his life. Calling himself John Miller, he joins the legendary Missouri militia. As the casualties mount, stories of his fearsome exploits spread throughout the West, and his gun-slinging skills become much in demand--on both sides of the law.Estleman has no rival--not even Louis L'Amour--in evoking the American Southwest.-- Kirkus ReviewsEstleman rivals the finest American novelists.-- The Washington Post