Partypooper (Diary of a Wimpy Kid Book #20): A Side-Splitting Birthday Disaster from the #1 International Bestselling Diary of a Wimpy Kid Series (Boo
by Jeff Kinney
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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 –verlöde (#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
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Book Details
- ISBN
- 9781419782695
- Binding
- Hardcover
- Authors
- Jeff Kinney
- Publisher
- Amulet Books
- Published Date
- October 21, 2025
- Language
- English
- Pages
- 224
- Physical Info
- 8.1 in L x 5.6 in W (0.8 lb)

In this book, Greg Hefley is trying to collect one of the most valuable type of cards, so you should read this if you like collecting all sorts of cards and playing with them. It's about Greg Hefley's birthday and he wants it to be his best one yet! This book did not cost a lot of money and I like seeing Greg celebrating his awesome birthday party! You should definitely read this book if you like to see what's happening in someone else's life!🎂 -Henry, age 9 3/4 and Diary of a Wimpy Kid lover, including Pokémon lover!!!
My granddaughter was thrilled to be the first of her friends to get the latest Wimpy Kids book! Bonus is that she loved the book was as hilarious as her others.Keep writing these books, or I’ll give you a Cheese Touch!
I buy the new one every year for my daughter she’s 15 now but has the whole collection and reads them in about two hours. She loves re-reading her favorites over and over. She got hooked on these when she was 8 years old and it’s fun hearing her laugh out loud when she’s reading. Great, entertaining, easy read, and clean books!
The book definitely met the expectations created by the other books in this series! It has been enjoyed by all! Can’t wait for the next one!
My 8 year old son immediately started this new book once it arrived. He waited for release day. The wimpy kid books lit a fire and love for reading in him.