The Last Trail
The Last Trail, by Zane Grey – Final of Ohio River Trilogy Published: 1909
Ohio River Trilogy
Spirit of the Border
Spirit of the Border, by Zane Grey – A Romance of the Early Settlers in the Ohio Valley Ohio River Trilogy, #2 Published: 1906
Betty Zane
Betty Zane, by Zane Grey – Ohio River Trilogy, #1 Published: 1903