Partypooper: Diary Of a Wimpy Kid (Book 20)

THE ONE WITH GREG'S CHAOTIC BIRTHDAY PARTY

The twentieth 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!

It’s Wimpy Kid Greg’s birthday – and you’re invited to the chaos. In Partypooper, the 20th book in Jeff Kinney’s global smash-hit Diary of a Wimpy Kid series, Greg Heffley is planning the ultimate party – for himself.

But when the guest list grows, the decorations flop, and the surprises backfire, this birthday bash turns into a total blowout—just not the kind Greg had in mind.

Packed with cake disasters, family fiascos, and laugh out loud Wimpy Kid fun, this book is perfect for readers ages 8–12.

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 Jefferson’s 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