7 books in series

Frontera

Frontera is a 7-book series with 7 released primary works first released in 1947 with contributions by Dorothy M. Johnson, Vardis Fisher, Alan LeMay, A.B. Guthrie Jr., Jack Schaefer, Bernard DeVoto, and Larry McMurtry.

A Man Called Horse
Mountain Man
The Searchers
The Big Sky
Shane
Across the Wide Missouri
Lonesome Dove