Diary of a Wimpy Kid: Partypooper (Book 20)

Packed with humor, chaos, and classic Wimpy Kid charm, this laugh-out-loud adventure is a must-read for fans of all ages. 

It's Wimpy Kid Greg Heffley's birthday, and you're invited to the chaos! In Partypooper, the 20th hilarious installment in Jeff Kinney's globally bestselling Diary of a Wimpy Kid series, Greg decides to plan 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.

• Hilarious Storytelling: International bestselling author Jeff Kinney serves up heaps of laughs in this new adventure.
• Engaging Content: The adventures of wise-cracking middle school student Greg Heffley are widely praised for their ability to turn reluctant readers on to books.
• Global Phenomenon: Part of a series that has sold over 300 million copies worldwide.
• Relatable Themes: Explores the mishaps and misadventures of surviving middle school in a fun, accessible format.

Product Details
Title Diary of a Wimpy Kid: Partypooper (Book 20)
Author Jeff Kinney
ISBN 9780241745168
Format Hardcover
Publisher Puffin
Publication Date October 21, 2025
Language English
Number of Pages 224 pages