Ann M. Martin

It's a summer to remember for The Baby-Sitters Club, with Mary Anne and Stacey staying in Stoneybrook while Kristy, Claudia, Dawn, Jessi, and Mallory head on adventures all across the map.

When Kristy Thomas has the great idea to form a baby-sitters club - a chance to earn money and spend time with her friends, all while doing something they each love to do - she has no idea how much the club will change everything....

The baby-sitters are in double trouble when the sponsor for Kristy's softball team, a diaper company, wants to re-name the team "The Davis Diapers", and overbooking on the business end of things makes the club swear in a new member....

Mrs. Piggle-Wiggle has gone away unexpectedly and left her niece, Missy Piggle-Wiggle, in charge of the Upside-Down House and the beloved animals who live there....

Missy Piggle-Wiggle is finally starting to feel settled in at the upside-down house, and the families in town have come to trust her magical cures for all sorts of childhood (mis)behavior....

Summertime in Stoneybrook finds the members of the Baby-sitters Club overwhelmed by client demands and a forthcoming trip to Hawaii - a situation that results in the enlistment of three unlikely sitters-in-training....

Valentine's Day is Abby's least favorite holiday. Mushy stuff like valentines, red hearts, and a school dance turn her into a Valentine's Scrooge....

After Kristy's mom got married, her family moved to a new neighborhood. But the kids there aren't very friendly - in fact, they're total snobs! They criticize Kristy's clothes, make fun of the Baby-Sitters Club, and they laugh at Louie, Kristy's pet collie, who's going blind....

Joining the Mathletes and feeling confident after her first math meet triumph, Stacey is troubled when her father gets tickets to a huge rock concert on the same night of the Mathletes championship.

Hired as the temporary companion to young Victoria Kent, who is distantly in line for the British throne, Mary Anne has trouble getting the girl to open up to her....

Danielle's parents are so glad she is home, although still battling leukemia, that they allow the nine-year-old girl to do anything she wants - but she decides to joyride in the family car while Jessi is babysitting for her....

Kristy's newest sitting job is challenging. Ten-year-old Erin was recently blinded in an accident and is not ready to rely on people. At the same time, Kristy's family is training a puppy to be a guide dog.

Claudia, who has always been very different from her sister, comes to the conclusion that she must be adopted....

In a breakthrough book for the series, Mallory says good-bye to Stoneybrook and hello to the Riverbend School. The boarding school in the Berkshires introduces Mallory to a new group of friends - and a not-so-friendly roommate....

TBD Kristy's mom is getting married, and everyone is coming to town to help, bringing their kids with them. Fourteen kids! Kristy is sure she and Stacey, Claudia, Mary Anne, and Dawn can handle it - they're professional baby-sitters after all....

Jessi knows a secret language! She learned it from Matt Braddock, the BSC's newest charge. Matt's been deaf since birth, and he uses sign language to speak. Since Jessi is Matt's baby-sitter, she's been using sign language, too....

When Lou McNally was last in Stoneybrook, she was the Worst Kid Ever. Now she's back...and Abby is going to be her baby-sitter. She's prepared for the worst, but Lou is a perfect angel....

The Papadakis family takes in a foster child, a troubled young girl named Lou, and Kristy soon discovers that Lou's difficult behavior makes her a real challenge to baby-sit....

When Kristy sees how much her little brothers and sisters want to play on a softball team, she organizes a ragtag team of her own. They may not be champions, with Jackie Rodowsky, walking disaster, on the team, but at least they have team spirit....

Stacey and Mary Anne are baby-sitting for the Pike family for two weeks at the New Jersey shore. Things are great in Sea City: There's a gorgeous house right on the beach, a boardwalk, plenty of sun and sand...and the cutest boy Stacey has ever seen....