Partypooper: A Side-Splitting Birthday Disaster from the #1 International Bestselling Diary of a Wimpy Kid Series (Book 20) Volume 20

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

Author: Jeff Kinney
Publisher: Amulet Books
Published: 10/21/2025
Pages: 224
Binding Type: Hardcover
Series: Diary of a Wimpy Kid
Weight: 0.80lbs
Size: 8.10h x 5.70w x 0.90d
ISBN: 9781419782695
Audience: Ages 9-12

Accelerated Reader:
Reading Level: 5.6
Point Value: 3
Interest Level: Middle Grade
Quiz #/Name: 556030 / Diary of a Wimpy Kid: Partypooper


Review Citation(s):
Kirkus Reviews 11/01/2025

About the Author
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.