Diary of a Wimpy Kid: Fight or Flight (Book 21)

byJeff Kinney, Jeff Kinney (Illustrator)

Format:

HardbackEbookAudio DownloadAudio CD

Pre-order:

Apple BooksOpens in a new tabKoboOpens in a new tabLibro.fmOpens in a new tabxigxagOpens in a new tab

Brought to you by Puffin.

When the going gets tough, what’s a wimpy kid to do?

In Fight or Flight, Greg Heffley faces his biggest challenge yet as he becomes a target for the school bully. Luckily for Greg, his best friend, Rowley Jefferson, takes karate, so at least Greg’s got someone in his corner. But an unexpected twist makes Greg realize he’s facing an uphill battle.

Will Greg step into the ring or throw in the towel? One thing’s for sure – Fight or Flight is a knockout!

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) | Fight or Flight (#21)


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 | Rowley Jefferson’s Awesome Friendly Spooky Stories 2


© Jeff Kinney 2026 (P) Penguin Audio 2026

About the series

The adventures of wise-cracking middle school student Greg Heffley who must somehow survive the scariest time of anyone's life: middle school. The hilarious and internationally bestselling Diary of a Wimpy Kid series.

About Jeff Kinney

Jeff Kinney is a #1 New York Times bestselling author of the Diary of a Wimpy Kid series and the Awesome Friendly Kid series. He is a six-time Nickelodeon Kids' Choice Award winner for Favorite Book and has been named one of Time magazine's 100 Most Influential People in the World. He spent his childhood in the Washington, D.C., area and moved to New England, where he and his wife own a bookstore named An Unlikely Story.
Details
All editions