Diary of a Wimpy Kid: No Brainer (Book 18)

THE ONE WHERE IT'S UP TO GREG TO SAVE HIS SCHOOL

The eighteenth laugh-out-loud, fully-illustrated Diary of a Wimpy Kid book from #1 international bestselling author Jeff Kinney! A global phenomenon with 300 million copies of the series sold worldwide!

Up until now, middle school hasn't exactly been a joyride for Greg Heffley. So when the town threatens to close the crumbling building, he's not too broken up about it.

But when Greg realizes this means he's going to be sent to a different school than his best friend, Rowley Jefferson, he changes his tune. Can Greg and his classmates save their school before it's shuttered for good? Or is this the start of a whole new chapter for Greg?

WHAT'S IN DIARY OF A WIMPY KID?
50% words, 50% cartoons, 100% hilarious!
Stories that all readers can't wait to get their hands on
Laughter guaranteed!

LOOK OUT FOR:
Rowley Jeffersons Awesome Friendly Spooky Stories 2 in August 2026!
Diary of a Wimpy Kid: Fight or Flight (Book 21) in October 2026!

Have you read all the DIARY OF A WIMPY KID series?
Diary of a Wimpy Kid
Diary of a Wimpy Kid: Roderick Rules
Diary of a Wimpy Kid: The Last Straw
Diary of a Wimpy Kid: Dog Days
Diary of a Wimpy Kid: The Ugly Truth
Diary of a Wimpy Kid: Cabin Fever
Diary of a Wimpy Kid: The Third Wheel
Diary of a Wimpy Kid: Hard Luck
Diary of a Wimpy Kid: The Long Haul
Diary of a Wimpy Kid: Old School
Diary of a Wimpy Kid: Double Down
Diary of a Wimpy Kid: The Getaway
Diary of a Wimpy Kid: The Meltdown
Diary of a Wimpy Kid: Wrecking Ball
Diary of a Wimpy Kid: The Deep End
Diary of a Wimpy Kid: Big Shot
Diary of a Wimpy Kid: Diper Overlode
Diary of a Wimpy Kid: No Brainer
Diary of a Wimpy Kid: Hot Mess
Diary of a Wimpy Kid: Partypooper