Kristy and her friends plan to babysit fourteen kids who will be at Kristy's house when her mom gets married in two weeks. But when the house fills with pre-wedding chaos, the Baby-sitters Club struggles to keep things under control.

Stacey, a member of the Baby-sitters Club, struggles with her parents who refuse to accept that she has diabetes, baby-sitting problems, and a rival baby-sitting club.

Kristy's family moves to a new neighborhood where the kids make fun of Louie, Kristy's pet collie, who's going blind. The Baby-sitters are not going to let them get away with it.

Mallory Pike has always wanted to be a member of the Baby-sitters Club. The Baby-sitters are so much fun to be around, and so grown-up. Now the club members have invited Mallory to a meeting. This might be her big chance! But the Baby-sitters don't make it easy. First Claudia makes Mal feel like a baby on her first official baby-sitting job. Then they give her a written test--with questions nobody could answer! Mallory's beginning to think she doesn't...

When her mother's remarriage takes her family into a much wealthier neighborhood, thirteen-year-old Kristy finds herself surrounded by snobbish girls who compare clothes, make fun of the Baby-sitters Club, and insult her aging dog.

When she sees how much her little brother and young stepbrother and stepsister want to play softball, thirteen-year-old Kristy starts her own team, which makes up in spirit what it lacks in skill.

"This summer, the Baby-sitters and a whole bunch of the kids they sit for are going to Camp Mohawk! With the girls as Counselors-in-Training, and the kids as campers, it'll be just like baby-sitting--in the woods! The Baby-sitters soon discover that camp isn't just nature walks and making lanyards. Dawn gets lost in the wilderness overnight. Kristy learns how to use mascara, and Mary Anne gets caught sneaking over to the boys' side of the camp. Stacey...

The Pike family is taking a vacation to the beach, and Stacey and Mary Anne get to go along to help out! Two weeks of sun, sand . . . and the cutest lifeguard Stacey has ever seen! Mary Anne says that Scott the lifeguard is way too old for Stacey, and besides, she shouldn't be ignoring the Pike kids to spend more time with a boy. But Stacey is in love. What could possibly be more important than following her heart?

"Stoneybrook has gone star-crazy! Derek Masters, an eight-year-old regular on a hit television sitcom, has moved to town. Everyone's wondering what a real-live TV star will be like--will he drive to school in a limo? Jessi can't believe it, but even stars need baby-sitters, and she's the lucky club member to watch Derek Masters. Even though a lot of kids at school call Derek a spoiled brat, Jessi likes him immediately. He rides bikes and eats junk...

Everything changes for Claudia and her sister Janine when their grandmother Mimi has a stroke.