Day of the Gun — Neil Hunter

Eighteen-year-old Jason Brand is set on vengeance after the death of his parents at the hands of Comanche raiders. His sister is captured and murdered and when Brand is caught he escapes, taking his revenge on the Indian responsible. Soon Brand is caught up in a world of violence as he searches for the white men who betrayed his family. What happens next moulds him into the man who now wears the badge of the Justice Department.