The Six Sisters is a 5-book series with 5 primary works first released in 1982 with contributions by Marion Chesney and M.C. Beaton.
1982 • 3 Readers • 192 pages • 2.5
1983 • 1 Reader • 206 pages • 3
1984 • 2 Readers • 171 pages • 2.5
1985 • 1 Reader • 192 pages • 3
1985 • 1 Reader • 152 pages • 3