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  • Partypooper (Diary of a Wimpy Kid #20)

Partypooper
(Diary of a Wimpy Kid #20)

Author
Jeff Kinney
Publication Date
October 21, 2025
Genre / Grade Band
Fiction /  4th − 5th
Language
English
Format
Illustrated Novel
Partypooper (Diary of a Wimpy Kid #20)
Description

It's 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 classic Wimpy Kid humor, 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)

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

Publication date
October 21, 2025
Genre
Fiction
Page Count
224
ISBN-13
9781419782695
Publisher
Amulet Books
Series
Diary of a Wimpy Kid
BISAC categories
JUV039060 - Juvenile Fiction | Social Themes | Friendship
JUV019000 - Juvenile Fiction | Humorous Stories
JUV005000 - Juvenile Fiction | Boys & Men
JUV013000 - Juvenile Fiction | Family | General
JUV008110 - Juvenile Fiction | Comics & Graphic Novels | Humorous
JUV068000 - Juvenile Fiction | Travel
Library of Congress categories
Humorous stories
Friendship
Families
Diaries
Humorous fiction
Middle school students
Birthday parties
Diary fiction
Heffley, Greg

Kirkus

A festive frolic—even if the frosting on the birthday cake does turn out to be mayonnaise.

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, DC, area and moved to New England, where he and his wife own a bookstore named An Unlikely Story.
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