Claudia decides to investigate when she and the other members of the Baby-sitters Club receive mysterious phone calls while out on assignments.

Claudia's participation in the Baby-sitters Club is curtailed when Grandmother Mimi suffers a stroke and Claudia finds herself "Mimi-sitting" and fighting more frequently with her sister.

When her mother gets married, Kristy and the other members of the Baby-sitters Club have their hands full taking care of fourteen children at the wedding.

Stacey invites her Baby-sitters Club friends to New York City for a long weekend full of activities but, much to her dismay, nothing turns out exactly as planned.

The members of the Baby-sitters Club think they can handle a young practical joker, but when one of her tricks causes Claudia to break her leg, the girls know they must teach their new charge a lesson.

Stacey's friends are crushed when they hear that she is moving back to New York City. How will the Baby-sitters Club cope without her?

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.

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.

Another Baby-sitters Club graphic novel adapted by New York Times bestselling author Gale Galligan! It's the first day of a new school year, and while Mary Anne doesn't know what to expect from the eighth grade, she's looking forward to getting back into the swing of things. One thing she definitely doesn't expect is to meet Logan Bruno, who just moved to Stoneybrook!Logan has a dreamy southern accent, he's awfully cute... and he might be interested...

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