Diary of a Wimpy Kid: Partypooper - Book 20 by Jeff Kinney

In the 20th book of the global bestseller series, Greg Heffley faces a forgotten birthday and unexpected challenges. When his family forgets his big day, social media backlash forces them to throw a blowout party that Greg plans to exploit for gifts. Alongside a rare trading card hunt, Greg's birthday party turns into a chaotic yet hilarious adventure. This installment marks a new chapter as Greg grows up and starts a party-hosting side business.Jeff Kinney: Author & illustrator