Dawn, the newest member of the Baby-sitters Club, gets more than she bargained for when her first job turns into a disaster and she has problems with Kristy.

When Kristy, Claudia, Mary Anne, and Stacey, the members of the Baby-sitters Club, each receive mysterious calls while they are working, they decide to find out who is responsible.

"How do you say good-bye to your very best friend?"--Cover Oh, no! Stacey McGill is moving back to New York! That means no more Stoneybrook Middle School, no more Charlotte Johanssen, and worst of all ... no more Baby-sitters Club! Stacey's friends are crushed when they hear that Stacey's moving, Claudia most of all. Stacey was her first best friend. How will the Baby-sitters cope without Stacey? What kind of going-away present is good enough for...

When a fight breaks out among the members of the Baby-sitters Club, timid Mary Anne finds herself becoming more assertive as a babysitter and in her relationships with her father and friends.

Dawn's a little jealous when there's a formal ceremony to welcome Jessi and Mallory into the Baby-sitters Club. Don't people know that Dawn's a special baby-sitter too? Then it's Dawn's turn to shine. Mrs. Pike wants Dawn to help prepare Margo and Claire for the Little Miss Stoneybrook contest. So what if Margo's only talent is peeling a banana with her feet? Dawn's going to help her charges win that contest any way she can. The only trouble is...Kristy,...

A new boy in school, Logan Bruno, wants to join the Baby-sitters Club, while Mary Anne finds her feelings for Logan are complicated, to say the least.

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.