When her troubles in school culminate in her being dropped back to the seventh grade, Claudia struggles with feelings of failure while adjusting to classmates outside of the Baby-sitters Club.

November is filled with excitement, surprises, and difficult choices for Claudia, Queen of the seventh grade...and no one can make her choices for her.

Hired for a week-long baby-sitting job in New York City, Stacey finds her enthusiasm quelled by her boyfriend's strange behavior, and begins to fear that he may be seeing another girl.

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.

In one of the strongest Babysitters Club books ever, the club must deal with a client who is abusive toward his children. Ann M. Martin addresses a difficult and important topic in her characteristic sensitive and informed style.

Stacey quits the club, but suddenly realizes that her new "friends" are using her as a cover for their drinking, shoplifting, and other ideas of summer fun.

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. Ashley says Claudia has artistic talent, too, but thinks Claudia should spend more time on her "calling" and stop wasting time on the Baby-Sitters Club. The baby-sitters are sick of Ashley Wyeth, and they feel like Claudia is a traitor. Claudia has to decide: either the BSC or the new girl - one of them's got to go!

Jessi's Christmas and Kwanzaa seasons are overshadowed by a car accident in which Jessi's baby brother, Squirt, is injured, and the difficult time proves challenging to her family's holiday spirit.

Little Rosie Wilder is perfect at everything. She can sing and dance, she plays several musical instruments, and her IQ is so high it's off the scale. So how did Claudia "C-" Kishi get stuck baby-sitting for Rosie the genius? It's because Rosie is so obnoxious that no one gets along with her - not even Claudia's sister, who's a genius, too. The baby-sitters think that Rosie needs to be taught a good lesson. But maybe what Rosie really needs is a good friend...like Claudia. 

In the landmark 100th book in the series, Kristy disbands the club because of a combination of outside pressures and internal tension.

The rest of the baby-sitters are shocked when Mary Anne, tired of being a plain Jane, gets a chic new haircut and a new wardrobe, and their reaction enrages the excited Mary Anne. 

When Mary Anne is woken up in the middle of the night by her cat, Tigger, she immediately knows something's wrong. Then she smells the smoke...and hears her father yelling her name. Mary Anne's house is on fire - and she makes it out right before everything burns down. Now Mary Anne doesn't know what to do. All of her possessions are...gone. Her house is...destroyed. Will Mary Anne be able to get her old life back? Will her family move away from Stoneybrook...for good?

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. 

Claudia is convinced that no one understands how difficult it is for her to do well in school, that is, until she meets Shea Rodowsky, a young boy with a learning problem. 

Learning that her friend and English partner Amelia Freeman has died in a tragic accident during spring break, a devastated Mary Anne is unable to overcome her sorrow and decides to do something special to remember her friend.