Karen's in Love (Baby-Sitters Little Sister #15): Volume 15

It's fun to be a Baby-sitters' Little Sister!

At first, Karen and Ricky were enemies. But now they like each other. They are even going to get married. Only now Karen and Ricky are in a big fight! First Karen puts gum in Ricky's desk. Then Ricky calls Karen Four-eyes. Will Karen and Ricky make up . . . or break up?