Chase does not remember falling off the roof, in fact he does not remember anything about himself, and when he gets back to middle school he begins to learn who he was through the reactions of the other kids--trouble is, he really is not sure he likes the Chase that is being revealed, but can he take the opportunity amnesia has provided and restart his life?

Greg records his sixth grade experiences in a middle school where he and his best friend, Rowley, undersized weaklings amid boys who need to shave twice daily, hope just to survive, but when Rowley grows more popular, Greg must take drastic measures to save their friendship.

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."

Janey, a quiet outsider, is inspired by the eccentric and enigmatic Captain Superlative, a masked superhero who runs through the halls of their middle school, performing radical acts of kindness.

Sixth-graders Sara, a Pakistani American, and Elizabeth, a Jewish girl, connect in an after school cooking club and bond over food and their mothers' struggles to become United States citizens.

Twelve-year-old Elyse has a rare genetic disorder makes the words other people say about her appear on her body.

Thirteen-year-old new girl Anna Hunt decides to make an investigative podcast about how fellow classmate Rachel Riley went from being the most popular girl in school to the most hated.

Sixth-graders Mac and Vince operate a business charging schoolmates for protection from bullies and for help to negotiate conflicts peacefully, with amazing challenges and results.

"Celeste Price, a smoldering 26-year-old middle-school teacher in Florida, unrepentantly recounts her elaborate and sociopathically determined seduction of a 14-year-old student"--

Greg Heffley tells about his summer vacation and his attempts to steer clear of trouble when he returns to middle school and tries to keep his older brother Rodrick from telling everyone about Greg's most humiliating experience of the summer.