When her mother's remarriage takes her family into a much wealthier neighborhood, thirteen-year-old Kristy finds herself surrounded by snobbish girls who compare clothes, make fun of the Baby-sitters Club, and insult her aging dog.

After moving to a new town, fifth-grader Marty worries about fitting in and must go up against a scientist out for revenge when he discovers a robotic dog in his new house.

Kirsten and Walk, seventh-graders at an elite private school, alternate telling how race, wealth, weight, and other issues shape their relationships as they and other misfits stand up to a mean but influential classmate, even as they are uncovering a long-kept secret about themselves.

"Babymouse becomes a influencer after she tries out a new whisker style and posts a tutorial online"--

Sunny's life becomes confusing when she starts middle school, with her best friend Deb's interests changing to fashion, boys, makeup, and being cool, while Sunny would rather play Dungeons & Dragons with friends.

When his father moves them halfway across Colorado, eleven-year-old Hugo O'Donnell is surprised that his remarkable talent for garbology makes him popular for the first time in his life.

Inadvertently nominated for the office of seventh-grade class president while avoiding a bully in gym, misfit Danny Shine suddenly becomes a leading candidate when a more popular contender is disqualified.

Nate tries to get in good with Marcus, leader of the school's most notorious posse.

Danny must set things right again after his attempt to remove his name from the dreaded Loser List lands him in detention, attracts the attention of the school bully, and causes his best friend Jasper to end their friendship.

Fourteen-year-old Nikki Maxwell writes in her diary of her struggle to be popular at her exclusive new private school, then of finding her place after she gives up on being part of the elite group.