Dolly is a 6-book series with 6 primary works first released in 1946 with contributions by Enid Blyton.
1946 • 1 Reader • 248 pages • 3
1947 • 1 Reader • 240 pages • 4
1948 • 15 Readers • 174 pages • 4.2
1949 • 1 Reader • 228 pages • 3
1950 • 9 Readers • 176 pages • 4.4
1951 • 9 Readers • 146 pages • 4.4