Betsy-Tacy is a 9-book series with 9 released primary works first released in 1940 with contributions by Maud Hart Lovelace and Lois Lenski.
#3 of 9 in Betsy-Tacy
1942 • 7 Readers • 192 pages • 4.8
#4 of 9 in Betsy-Tacy
1943 • 6 Readers • 244 pages • 4.5
#6 of 9 in Betsy-Tacy
1946 • 5 Readers • 352 pages • 4.3
#9 of 9 in Betsy-Tacy
1952 • 6 Readers • 388 pages • 4.5