The Ransom — J.R. Roberts

Clint Adams could never turn down a friend in trouble. So when Delores Lake's telegram came, he was on the next train to New Mexico. Delores's husband and son had been shot down in their own ranch house -- and her grandson had been snatched by cold-hearted kidnappers.

Now the Gunsmith must ride into an outlaw town called Little Whiskey with a pack mule, a trunk full of ransom money, and two of Delores's hotheaded sons -- whose thirst for vengeance just might get all of them killed...