Frontera is a 7-book series with 7 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.
1953 • 4 Readers
1965 • 2 Readers • 351 pages
1954 • 11 Readers • 4.5
1947 • 23 Readers • 15 pages • 3.8
1949 • 25 Readers • 162 pages • 4.3
1947 • 1 Reader • 476 pages
1985 • 593 Readers • 858 pages • 4.6