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....

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....

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....

Kristy's up for the best spring vacation ever - a week of baseball with famous major leaguers at Bill Bain's Dream Camp. Together with her stepdad, Kristy enjoys the all-star week of a lifetime....

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....

Lately, it seems like each of the baby-sitters besides Dawn has been singled out...and she's a little jealous. But now it's Dawn's turn to shine: Mrs. Pike has asked her to help prepare Margo and Claire for the Little Miss Stoneybrook contest....

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....

Loving the holiday season but hating its commercialism, Mallory coordinates an old-fashioned family Christmas of baking and trimming that attracts media attention, but Mallory begins to fear that the chaotic film crews will spoil her plans....

Oh no! Stacey McGill is moving back to New York! That means no more Stoneybrook Middle School, no more Charlotte Johanssen, and worst of all...no more Baby-Sitters Club....

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....

When Abby spends a week with her grandparents at their summer house, she learns wonderful things about her family for the first time, as well as one piece of unhappy news....

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....

Preparing for her Bat Mitzvah with her twin sister, Abby is falsely accused of cheating on a math test and suspended from school, and she decides to hide the truth about the test and the suspension....

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 Mary Anne tries to get Jenny Prezzioso - a fussy little girl known as "Miss Priss" - to join a kickball team, she faces opposition from the kids and from Jenny, who does not want to play.

Mallory lands a job as part-time assistant to her favorite children's author and discovers some troubling things about the author's past....

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.

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....

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....