Partypooper: A Side-Splitting Birthday Disaster from the #1 International Bestselling Diary of a Wimpy Kid Series (Book 20) (Hardcover, 2025)

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