Seven-year-old Karen Brewer is the stepsister of Kristy Thomas, the President of the Baby-Sitters Club. Karen has many adventures with her friends as she learns to navigate her complex family and the second grade.

Another graphic novel in this fun series spin-off of The Baby-sitters Club, featuring Kristy's little stepsister! Karen is having a terrible day. Her favorite jeans are missing, there's no prize in the Crunch-O cereal box, and Boo-Boo the cat won't play with her. She even gets punished and sent to her room! Karen tries everything to make her day better, but nothing is going right and her bad luck just won't go away. Will this be the worst day ever?...

"Karen has to get glasses! She doesn't want them, especially because school pictures are going to be taken soon. But she picks out some pretty pink ones and thinks she looks very grown-up. Then Yicky Ricky at school starts calling her names, like Owl Girl and Googly Eyes. If Karen wears her glasses for the school picture, Ricky will make fun of her. If she doesn't wear them, she'll feel like she's afraid to be herself. Glasses or no glasses, that...