Working as a mother's helper, with Stacey, for the Pike family at the Jersey shore, Mary Anne is upset when Stacey begins to neglect her job to spend her time pursuing a gorgeous lifeguard.

"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....

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.

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.

Accompanying the Pike family during a two-week vacation to the Jersey Shore, baby-sitter Stacey falls head over heels for a handsome lifeguard despite Mary Anne's warning that he is too old for her.

Convinced there is a ghost in her house, Dawn sets out to investigate the spooky noises and happenings in her home.

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...