When Billy Miller has a mishap at the statue of the Jolly Green Giant at the end of summer vacation, he ends up with a big lump on his head. What a way to start second grade, with a lump on your head! As the year goes by, though, Billy figures out how to navigate elementary school, how to appreciate his little sister, and how to be a more grown up and responsible member of the family and a help to his busy working mom and stay-at-home dad.

A year in the life of two young girls growing up on the Wisconsin frontier, as they help their mother with the daily chores, enjoy their father's stories and singing, and share special occasions when they get together with relatives or neighbors.