Mother's Day is coming up and the Baby-sitters have the same problem they do every year: What do they get their mothers? Kristy, especially, wants to do something nice for her mom. Mrs. Brewer has been acting kind of strange and secretive lately, and Kristy's worried about her...But then Kristy gets another one of her great ideas. Why don't the Baby-sitters treat their moms - and the mothers of the kids they sit for - to a day off without any kids around? The BSC plans a gigantic baby-sitting party. It's a Mother's Day surprise that couldn't be beat!... Until Kristy's mom reveals a very special surprise of her own.

A snake dreams up an unusual Mothers Day gift

Mary Anne and Stacey are in Sea City working as mother's helpers for the Pike family. When each of the girls meets up with her boyfriend from last summer, things start to get complicated.

Worrying about her stepfather after a heart attack forces him to quit his job for a less stressful lifestyle, Kristy wonders if Nanny's departure, an outbreak of the flu, and the arrival of Karen and Andrew will disturb the peace.

Receiving a desperate call from the Mancusi family, Jessi takes on an unusual sitting job caring for three dogs, five cats, two birds, a cage of hamsters, guinea pigs, fish, a snake, rabbits, and turtles.

Claudia has a sad good-bye to make. Her grandmother, Mimi, has just died. Claudia understands that Mimi was sick for a long time, but she's still mad at her grandmother for leaving her. Who will help Claudia with her homework...and share 'special tea' with her?

Stacey's parents are getting a divorce. Stacey is sad and angry, and she has a big decision to make--stay in New York with her father, or move back to Stoneybrook with her mother.

Stacey is caught in a loyalty tug-of-war between old friends and new.

From the bestselling author of the generation-defining series The Baby-sitters Club comes a series for a new generation! It’s Karen’s special day!It’s Karen’s birthday! She can’t wait for all those presents. Karen is even having two parties -- one at Daddy’s house and one at Mommy’s. But what Karen really wants for her birthday is one party, with her whole family together. Will Karen’s birthday wish come true?