Betsy-Tacy is a 9-book series with 9 primary works first released in 1940 with contributions by Maud Hart Lovelace and Lois Lenski.
#3 of 9 in Betsy-Tacy
1942 • 4 Readers • 192 pages • 4.7
#4 of 9 in Betsy-Tacy
1943 • 3 Readers • 244 pages • 4.3
#9 of 9 in Betsy-Tacy
1952 • 3 Readers • 388 pages • 4.3