PITTSFIELD, Mass. The Berkshire Athenaeum, Pittsfield's Public Library, is announced it is celebrating the upcoming release of Jeff Kinney's twentieth book in the Diary of a Wimpy Kid series, "Diary of a Wimpy Partypooper," with a Birthday Party of a Wimpy Kid event.

 

The free event will take place on Tuesday, Oct. 21, 2025, from 3:30–5:00 p.m. in the Library's auditorium. 

 

The party will feature games, button making, snacks, and more to celebrate the milestone twentieth book.