Claudia's participation in the Babysitters Club is curtailed when Grandmother Mimi suffers a stroke and Claudia finds herself "Mimi-sitting" and fighting more frequently with her sister.
Stacey's parents want to drag her off to another specialist in the hope of curing her diabetes, but she worries about losing her new friends in the Club.
The members of the Baby-sitters Club compile a scrapbook recounting their adventures in Hawaii to give to their friend Mallory, who had to miss the trip.
During a family vacation in the Caribbean, Karen enjoys exploring caves, snorkeling, and hunting for seashells but is confused when her new friend Sandy refuses to swim with her.
Follows the adventures of Kristy and the other members of the Baby-sitters Club as they deal with crank calls, uncontrollable two-year-olds, wild pets, and parents who do not always tell the truth.
When Kristy set out to solve a series of clues left by prankster Cary Retlin, she didn't realize that they would become involved with a real mystery involving serious vandalism.
The summer that Hattie turns twelve, she meets the childlike uncle she never knew and becomes friends with a girl who works at the carnival that comes to Hattie's small town.
When twelve-year-old Kammy has difficulty accepting her new family after her father's remarriage, a summer at Camp Arrowhead helps her to put her home life in perspective.
Karen's class is having a secret Valentine exchange and she picks her enemy Pamela, but she decides to be nice anyway. Pamela starts receiving mean notes that Karen did not write and other mix-ups start happening. Karen and her friends try to discover who has been messing up the Valentine's fun.
