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Diary of a Wimpy Kid: Partypooper (Book 20)

byJeff Kinney, Jeff Kinney (Illustrator)

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Brought to you by Puffin.

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.


Collect all the books in the #1 bestselling Diary of a Wimpy Kid series: Diary of a Wimpy Kid (#1) | Rodrick Rules (#2) | The Last Straw (#3) | Dog Days (#4) | The Ugly Truth (#5) | Cabin Fever (#6) | The Third Wheel (#7) | Hard Luck (#8) | The Long Haul (#9) | Old School (#10) | Double Down (#11) | The Getaway (#12) | The Meltdown (#13) | Wrecking Ball (#14) | The Deep End (#15) | Big Shot (#16) | Diper Överlöde (#17) | No Brainer (#18) | Hot Mess (#19) | Partypooper (#20)


© Jeff Kinney 2025 (P) Penguin Audio 2025

About the series

The adventures of wise-cracking middle school student Greg Heffley who must somehow survive the scariest time of anyone's life: middle school. The hilarious and internationally bestselling Diary of a Wimpy Kid series.

About Jeff Kinney

Jeff Kinney is a #1 New York Times bestselling author of the Diary of a Wimpy Kid series and the Awesome Friendly Kid series. He is a six-time Nickelodeon Kids' Choice Award winner for Favorite Book and has been named one of Time magazine's 100 Most Influential People in the World. He spent his childhood in the Washington, D.C., area and moved to New England, where he and his wife own a bookstore named An Unlikely Story.
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