When the Chamber of Secrets is opened again at the Hogwarts School for Witchcraft and Wizardry, second-year student Harry Potter finds himself in danger from a dark power that has once more been released on the school.

"Fifth-grader Sammy Hayes-Rodriguez struggles to fit in when his inventor mother requires him to take her latest creation, a robotic 'brother,' to school with him to learn to become a student"--

As Bridge makes her way through seventh grade on Manhattan's Upper West Side with her best friends, curvacious Em, crusader Tab, and a curious new friend--or more than friend--Sherm, she finds the answer she has been seeking since she barely survived an accident at age eight: "What is my purpose?".

Sixth grader Abigail, assigned a different homeroom than her two best friends and made only the alternate on the pom-pom squad, learns a lot about popularity and true friendship when paired with unpopular Gabby for a year-long "Friendly Letter Assignment.".

"Fifth grader Sammy Hayes-Rodriguez has to find a solution when his robot 'brother' has repeated malfunctions at school and a newer model robot steps in as competition--and his mother's job is in jeopardy as a result"--

"Luke Abbott's school is the losing-est school in the history of losing. And that's just fine for him. He'd rather be at home playing video games and avoiding his older brother Rob and the Greatest Betrayal of All Time. But now he's being forced to join the robotics team, where surely he'll help uphold the school's losing streak"--

Middle-school drama queen Nikki Maxwell worries about asking a boy to her school's "sweetheart dance.".

When her aunt and uncle take her from New Mexico to Lugano, Switzerland, to attend an international school, thirteen-year-old Dinnie discovers an expanding world and her place within it.

Seventh-grader Georges adjusts to moving from a house to an apartment, his father's efforts to start a new business, his mother's extra shifts as a nurse, being picked on at school, and Safer, a boy who wants his help spying on another resident of their building.

McQuarrie Middle School's students miss Origami Yoda when Dwight leaves for Tippett Academy, but he sends Sara a paper Fortune Wookiee that seems to give advice just as good as Yoda's--even if, in the hands of girls, it seems preoccupied with romance.