Zane Grey 
The Last Trail 
With linked Table of Contents

The last book of the trilogy featuring ‘Betty Zane’ ‘Spirit of the Border’ is a historical novel set in the Ohio River Valley in the late 18th century shortly after The American Revolution. Two bordermen assigned to protect the settlement at Fort Henry set out on the trail to determine who the renegades are that are stealing Fort Henry horses and kidnapping the women. Treachery and romance further spice up this tale of a deadly trail.