What I Don't Know
- It turns out Billie Jo, Ma, and Mad Dog aren't the only musical talents in this book—Miss Freeland is an opera singer and is going to be in a production of Madame Butterfly with singers from all over the country.
- Billie Jo has never heard of the play and is upset when Mad Dog tells her "most everyone" knows what it is—she begins to wonder how many other things about the world people know about that she doesn't.