"Everybody used to love Karen. She was cute. She was the little sister. But now baby Emily is in their family, and Karen feels left out. Then Emily gets sick and everybody has to take care of her. Even Karen. And that's when Karen finds out that being a big sister is the most fun of all!"--Back cover.
A graphic-novel rendering of the third entry in the Baby-sitters Club spin-off series finds Kristy's younger sister, Karen, trying to form a cat-sitting club with her friends.
When Stoneybrook has a winter carnival and tree-lighting ceremony, Karen wants to be chosen as the Snow Princess and be able to light the town square, but she can't do both, so she must choose which one is more important to her.
Karen learns a lesson about the joys of Christmas giving when she comes up with a plan to help her neighbors, the Stones, raise the money to rebuild their barn.