Walt's magical ability to bring maps to life puts him, his twin sister Van, and new friend Dylan in danger when an enchanted heirloom strands them in the fantastical world of Djaruba and they discover a malevolent rival to the kingdom, a fellow mapmaker, has nefarious plans for Walt.

On her first day of seventh grade, Holly Mead learns that her new band director is surprisingly strict and that her best friend has replaced her with the new French horn player.

After spending the summer at the CodeGirls summer camp, seventh-grader Allie Navarro can't wait to show her friends the app she built that helps users find friends, based on common interests. But after the app goes viral at her school, Allie discovers a glitch that threatens to expose everyone's secrets.

Dina is used to being popular but starting a new school in eighth grade is difficult, especially where cliques rule, and although working with "queen bee" Chelsea on a video project should help, Chelsea is hiding huge family problems that could mean trouble for both girls.

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.

Just as Gladys Gatsby prepares to enter the complicated world of middle school, her secret gig as the New York Standard's youngest restaurant critic won't be a secret much longer--and Gladys must enlist the help of her Parisian aunt to be true to herself, and honest with her friends and family.

Because of his reputation for practical jokes Jackson Greene is the automatic suspect for anything that goes wrong at school--but when he and his friends are framed for a crime they did not commit, Gang Greene sets out to expose the students responsible, who are trying to blackmail Jackson into helping them cheat on an important test.

More adventures of Jamie Kelly, as written into her fictitious diary.

When Sonia's father loses his job and she must move from her small, supportive private school to a public middle school, the half-Jewish half-Indian sixth-grader experiences culture shock as she tries to navigate the school's unfamiliar social scene, and after her father is diagnosed with clinical depression, she finds herself becoming even more confused about herself and her family.

Fourteen-year-old Kevin impetuously announces that he will run for student body president, mainly to impress his girlfriend Tina, but soon gets excited about making a positive difference in his school and community.