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.

Ten-year-old Auggie Pullman, who was born with extreme facial abnormalities and was not expected to survive, goes from being home-schooled to entering fifth grade at a private middle school in Manhattan, which entails enduring the taunting and fear of his clasassmates as he struggles to be seen as just another student.

Middle-schooler Greg Heffley nimbly sidesteps his father's attempts to change Greg's wimpy ways until his father threatens to send him to military school.

"After a disastrous field day competition at school, Greg decides that when it comes to his athletic career, he's officially retired. But after his mom urges him to give sports one more chance, he reluctantly agrees to sign up for basketball. Tryouts are a mess, and Greg is sure he won't make the cut. But he unexpectedly lands a spot on the worst team. As Greg and his new teammates start the season, their chances of winning even a single game look...

When Miss Know-It-All's inbox overflows with pleas for guidance, Nikki Maxwell, the school newspaper advice columnist, turns to her best friends for help.

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

With his school's centennial approaching, Nate is asked to befriend the new kid--Breckenridge--who somehow seems familiar to Nate. As the two become real friends, and Breckenridge becomes a valuable addition to Nate's scavenger hunt team, Nate suddenly remembers who Breckenridge really is.

Sixth-grader and self-proclaimed genius Nate Wright faces his all-time enemy, Gina, when they are paired to work on a research paper together and she also gets a position on his intramural team.

When Nikki Maxwell gets assigned to a week-long exchange program at Hampton Hills, the school of her arch nemesis, it'll take everything she's got to survive the week.

Nikki tries to be a pet sitter, but realizes it's harder work than she thought.