American Regional is a 8-book series first released in 1943 with contributions by Lois Lenski.
1943 • 1 Reader
1949 • 1 Reader • 190 pages
1957 • 1 Reader
1947 • 2 Readers • 212 pages
1951 • 1 Reader
1955 • 1 Reader • 164 pages • 3
1963 • 1 Reader • 176 pages
1945 • 10 Readers • 208 pages • 3