| Year | # | Title | Pages |
|---|---|---|---|
| 1942 | 3 | Betsy and Tacy Go Over the Big Hill | 180 |
| 1946 | Heaven to Betsy and Betsy in Spite of Herself | 687 | |
| 1948 | 7 | Betsy Was a Junior/Betsy and Joe | 633 |
| 1955 | 9 | Betsy and the Great World and Betsy's Wedding | 679 |
Lois Lenski was the author and illustrator of more than 90 books for children, including the very popular “Mr. Small” picture books. She is counted among the most influential author-illustrators of the twentieth century. She was awarded the Newbery Medal for STRAWBERRY GIRL and a Newbery Honor for both INDIAN CAPTIVE and PHEBE FAIRCHILD.