International bestselling author Jeff Kinney serves up heaps of laughs in Partypooper , the 20th book in the Diary of a Wimpy Kid series. You're Invited - RSVP for Fun! Over the years, Greg Heffley has chronicled his mishaps and misadventures in a series of diaries - make that journals - but book 20 of the Diary of a Wimpy Kid series, Partypooper , really takes the cake! Expect gobs of fun and over-the-top antics as Greg throws an epic birthday party for none other than himself. So come celebrate and laugh alongside Greg, his family, and the entire world of Wimpy Kid fans. 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.