Thirteen-year-old Claudia wants to prove that she should be a junior counselor at Blue River Camp next year, but first she must face mean girls, the boy she has a crush on, a seven-year-old rascal she often babysits, her own bad luck, and a challenging swimming test.

Thirteen-year-old Claudia learns about the American justice system when, while studying for an American history quiz at Anna's house, she and her friend Monica are accused of stealing ten dollars and their classmates believe them to be guilty, based on circumstantial evidence.

The Cortez family is going on vacation! They're headed to Florida for a family reunion. But when they arrive, Claudia doesn't get to relax - she's stuck babysitting her younger cousins. She has to miss out on all the fun, and can't hang out with her new friends. What kind of vacation is that?

Claudia is tired of being left out of popular princess Anna's parties, so she decides to throw one of her own. The problem is, parties are expensive. To foot the bill, Claudia takes on extra jobs. But between school, babysitting, dogwalking, and running errands, she doesn't have much time left for her friends. What good is a party when there's no one to invite?

Claudia has had a crush on Brad Turino for as long as she can remember. She's thrilled when Brad asks her for help with homework. But when cute new boy Rusty Alvarez moves to town and asks her out on her first date, she doesn't know what to do!

Eleven-year-old Claudia's parents don't think she should still be wearing torn blue jeans and a boy's shirt and playing army with her friend, nine-year-old Duffy. So when her old best friend, Janice, moves back to town, Claudia's parents hope the two girls will pick right up where they left off. But rather than starting sixth grade as best friends again, Claudia and Janice soon become worst enemies! Best-selling author Barbara Brooks Wallace continues...

The first week of high school is not what Claudia and Monica expect.

All the troubles in sixth-grader Claudia Harper's life seem to start with her fourth-grade friend Dunford Wylie Booth V.

Family can be such a pain. Parents don't understand. Siblings are annoying. Aunts and uncles are boring. Claudia's family, though, gets along great. They make an effort to stay connected and find ways to all have fun together. Claudia shares some secrets on getting along with your family members and making family time fun.

Life in middle school can be complicated. Dealing with bullies. Putting up with the popular crowd. Playing sports and participating in activities. Plus, managing homework and studying! But Claudia can help uncomplicate things. She offers advice on everything from decoding teacher personalities to getting involved at school.