Buchanan 12: Buchanan's Manhunt

Six feet four inches tall, with sandy hair and greenish eyes. He had been on the frontier since he was fourteen and bore the scars of a hundred battles. But in his heart, Buchanan was a peaceable man.
It's just that trouble and danger seemed to stalk him.
An escaped convict named Farnum, a killer with ice in his blood, had shot down a friend. Now Buchanan had to track him down—and the innocent young girl he had taken hostage. It was not going to be easy. Farnum was a very clever man.
And very dangerous.
But Buchanan was not the only one hunting the outlaw. A crooked lawman with greedy eyes on Farnum's hidden cache of stolen loot decided to track the killer, too. And if he had to murder Buchanan to get him, he would ...