#20 PARTYPOOPER DIARY OF A WIM

Partypooper: A side-splitting birthday disaster from the #1 international bestselling Diary of a Wimpy Kid series (Book 20) (Volume 20) Hardcover October 21, 2025

by Jeff Kinney (Author)

4.7 4.7 out of 5 stars   (3,601)

Book 20 of 20: Diary of a Wimpy Kid

Amazon Charts #6 this week

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Its Gregs birthdayand youre invited to the chaos. In Partypooper, the 20th book in Jeff Kinneys global smash-hit Diary of a Wimpy Kid series, Greg Heffley is planning the ultimate partyfor himself.

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

Packed with cake disasters, family fiascos, and classic Wimpy Kid humor, this book is perfect for readers ages 812.

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 verlde (#17) | No Brainer (#18) | Hot Mess (#19) | Partypooper (#20)

See the Wimpy Kid World in a whole new way with the #1 bestselling Awesome Friendly books, told from the perspective of Greg Heffleys best friend Rowley Jefferson: Diary of an Awesome Friendly Kid: Rowley Jeffersons Journal | Rowley Jeffersons Awesome Friendly Adventure | Rowley Jeffersons Awesome Friendly Spooky Stories