Ann M. Martin

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....

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....

Karen will try anything! Karen has new roller skates. She is a very good skater. She can ever do tricks. But oh, no! Karen falls down and breaks her wrist! She has to go to the hospital and get a cast. Karen wants somebody famous to sign her cast. It isn't going to be easy....

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.

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....

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....

Visiting her father on the west coast, Dawn is tempted to stay with him when she enjoys the beach, Disneyland, and a wealth of healthy restaurants, but the homesick baby-sitter fears leaving her mother and all of her friends....

Mallory Pike has always wanted to be a member of the Baby-Sitters Club - they're so much fun to be around. Now the club members have invited Mallory to a meeting. This might be her big chance! But the BSC isn't making it easy....

When Kristy reluctantly takes part in a hazing prank for her softball team, she worries that her little stepsister, Karen, will find out the truth and think badly of her....

Hattie Owen enjoys the familiarity of her small-town life, but during the summer she turns 12, her world is turned upside down with the arrival of an uncle no one has ever spoken about. Now that Hattie’s uncle’s “school”—an institution for the mentally disabled—is closing, Hattie's...

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....

Back-to-school brings an exciting new challenge for Kristy. She's been selected to be a teacher for a week! Team-teaching a gym class with her arch rival, Cary Retlin, Kristy learns a few lessons she never knew she needed....

Karen is having a bad-luck day. Her favorite jeans are missing. There's no prize in the Crunch-O cereal box. And Boo-Boo the cat runs away from her! Karen tries everything to make her day better. But her bad luck just won't go away. She even gets punished and sent to her room....

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....

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....

Stacey starts dating a jock basketball player and falls in with a super-cool crowd, including the cheerleaders who ask her to try out for the squad....

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....

Claudia has always been the most outrageous girl in her class...until Ashley Wyeth comes along. Ashley's really different - she dresses in hippie clothes, wears six earrings and work boots, and is the most fantastic artist Claudia has ever met....

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....

Hoping to provide a male role model for a new charge whose parents' divorce has him missing his father, Mary Anne invites Logan to accompany her baby-sitting jobs and has a lot of explaining to do when Mrs. Kuhn does not understand....