As Elisa, Lucia, and Alice grapple with internal struggles and hidden challenges while navigating middle school in New York City, they find unexpected friendship and support when they let go of their preconceived notions of each other.

When she starts losing her hair, Sparkle, a twelve-year-old budding superstar, hides her condition from her friends until she realizes she must come to terms with the changes in her life and show her classmates and her family what she can do with or without hair.

When Lila, a worrier, moves to a new town, the what ifs only grow, and she feels alone and invisible until her teacher finds a creative and kind way to make Lila feel welcome and open to new experiences, a lesson that will stay with her long after second grade.

In alternating points of view, Alice, Millie, Jessica, and Jeremy must work together when the secret world of the Bigfoot is threatened by someone with a personal vendetta against them.

When Rube Goldberg stumbles upon the Null Corporation's construction of a massive machine in his beloved junkyard, he starts receiving anonymous messages and teams up with his friends to investigate the company's intentions before it is too late.

When Neil tells his classmates that he does not want any more valentines, especially pink or frilly ones, the class comes up with a good idea.

Max Plink's life is complicated. Her parents aren't getting along. The school bullies are relentless, and her own sister is the cruelest of them. Worst of all, her mouth is a mess. With a mismatched puzzle of a jaw, Max has a Class II malocclusion, otherwise known as a severe overbite. She already has braces, which means she lives on Advil and soft foods after each orthodontist appointment. But now Max has to wear painful (and totally awkward) orthodontic...

Antics ensue after Hank throws his report card into a meat grinder.

Sixth-grader Zoe sets her sights on winning a laptop by becoming the top cookie-dough seller in her class, but as she becomes more obsessed with winning, she begins to lose sight of what is really important.

Fifth grader Benny wants to focus on not flunking out of fifth grade, but he must also cope with his complicated home life with newly divorced parents, a mother who moves away, and a father with terminal lung cancer.