"Mary Anne has never been a leader of the BSC. So when a fight breaks out among the club's four members, Mary Anne feels a little lost, unable to depend on Kristy, Stacey, or Claudia anymore. Sitting by herself in the cafeteria is bad enough; when Mary Anne has to baby-sit a sick child without any help from the club, she knows someone has to take action. It's time for Mary Anne to step in and save the day!"--Page 4 of cover.

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.

"How do you say good-bye to your very best friend?"--Page 1 of cover.

Nick and Maxine have a new babysitter--the eccentric Mrs. Noodlekugel who lives in the funny little house behind their drab high-rise apartment building along with her feline butler, Mr. Fuzzface, and three myopic mice.

"Claudia has always been the most outrageous kid in her class...until Ashley Wyeth comes along, Ashley's really different--she wears hippie clothes, has six holes in her ears, and is the most fantastic artist Claudia has ever met. Ashley says Claudia has artistic talent, too. She thinks Claudia should spend more time on her "calling" and forget about the Baby-sitters Club: It's just a waste of time. The Baby-sitters are sick of Ashley Wyeth, and they...

"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-sitter's 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?"--Provided...

When nine-year-old Eleanor's beloved babysitter Bibi moves away to care for her ailing father, Eleanor must spend the summer adjusting to a new babysitter while mourning the loss of her old one.

Amelia and her friend start a babysitting business.

Heidi teams up with her friends to create a babysitting station at the Brewster Elementary fair, but when things do not go as smoothly as planned, Heidi turns to her Book of Spells to find the perfect magical solution.

When Marion finally gets the chance to babysit her little sister, she finds that the task is harder than she expected, especially when she gets called to the Critter Club to help with a stray cat and must bring Gabby along.