Callie rides an emotional roller coaster while serving on the stage crew for a middle school production of Moon over Mississippi as various relationships start and end, and others never quite get going.

Maureen and Francine Carter are twins and best friends. They participate in the same clubs, enjoy the same foods, and are partners on all their school projects. But just before the girls start sixth grade, Francine becomes Fran -- a girl who wants to join the chorus, run for class president, and dress in fashionable outfits that set her apart from Maureen. A girl who seems happy to share only two classes with her sister! Maureen and Francine are growing...

In the mid-1970s Sunny Lewin is back, star of her personal show, facing the prospect of Middle School, and dealing with the problems of her somewhat dysfunctional family--in particular her older brother, Dale, who has been sent off to a military academy because of his delinquent behavior.

"Felicity is sure she's going to do something big. Exactly what is still a mystery, but she'll figure it out. Her sister, Letty, teases Felicity that she never finishes stuff, but that's just because Letty is so perfect. Still, life is good with plenty of friends--drawing with the art club and playing games with her buddies keep her busy. But when she decides to join a contest to show Letty that she can get things done, Felicity begins to wonder if...

"Sunny's just made it to middle school...and it's making her life very confusing. All her best friend Deb wants to talk about is fashion, boys, makeup, boys, and being cool. Sunny's not against any of these things, but she also doesn't understand why suddenly everything revolves around them. She's much more comfortable when she's in her basement, playing Dungeons & Dragons with a bunch of new friends. Because when you're swordfighting and spider-slaying,...

At the end of seventh grade Jaime and Maya's friendship is tested when their priorities are divided.

As one of the only Asian Americans in her school, Christina confronts both well-meaning ignorance and cruel racism, but in middle school fitting in is important, which is why she and her best friend Megan are both excited and nervous to try out for the popular cheerleading squad. "When cheerleading tryouts are announced, Christina and her best friend, Megan, literally jump at the chance to join the squad. As two of the only kids of color in the school,...

Squish, a meek amoeba who loves the comic book exploits of his favorite hero, "Super Amoeba," tries to emulate him when his best friend is threatened by a bully.

"Speak up for yourself--we want to know what you have to say." From the first moment of her freshman year at Merryweather High, Melinda knows this is a big fat lie, part of the nonsense of high school. She is friendless--an outcast--because she busted an end-of-summer party by calling the cops, so now nobody will talk to her, let alone listen to her.