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.

Stacey, a member of the Baby-sitters Club, struggles with her parents who refuse to believe that she has diabetes.

"Claudia's sister, Janine, is too busy being smart to be nice to anyone-- even their grandmother, Mimi. But Claudia doesn't have to see Janine too much this summer since the Baby-sitters Club is starting a new play group. It's going to be so much fun! But then Mimi has a stroke, and the whole summer changes. Now Claudia is "Mimi-sitting" and Janine is no help at all. How can the Kishi sisters get along when Janine is always so mean?"--P. [4] of cover....

Kristy's mom is getting married, and Kristy's a bridesmaid. The only trouble is, fourteen little kids are coming to the wedding, and they all need baby-sitters. Stacey, Claudia, Mary Anne, Dawn, and Kristy think they can handle fourteen kids. But that's before they spend five days changing diapers, stopping fights, solving mix-ups, righting wrongs ... and getting sick and tired of baby-sitting. One thing's for sure: this is a hectic way to have a...

"Stacey's invited her friends from the Baby-sitters Club down to New York City for a long weekend. But what a mistake! The Baby-sitters are way out of place in the big city. Mary Anne sounds like a walking guide book; Dawn's afraid of everything; Kristy can't keep her mouth shut; and Claudia's jealous of Stacey's friends. Does this mean Stacey can't be the Baby-sitters' friend anymore? Will the Baby-sitters Club fall apart?"--Page 4 of cover.

Ashley thinks Claudia has artistic talent and should spend more time on her "calling" and forget about the Babysitters Club. Claudia has to decide between the Baby-sitters Club and Ashley.

"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...

Feeling isolated as the only African American in her sixth grade class, Jessi gains a sense of belonging by participating in the Baby-sitters Club, learning sign language in order to communicate with a deaf child, and dancing in a ballet.

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,...

The Baby-sitters as counselors-in-training and a bunch of the kids they sit for as campers spend two weeks at Camp Mohawk.