In No Brainer , book 18 of the Diary of a Wimpy Kid series from #1 international bestselling author Jeff Kinney, it's up to Greg to save his crumbling school before it's shuttered for good. Up until now, middle school hasn't exactly been a joyride for Greg Heffley. So when the town threatens to close the crumbling building, he's not too broken up about it. But when Greg realizes this means he's going to be sent to a different school than his best friend, Rowley Jefferson, he changes his tune. Can Greg and his classmates save their school before it's shuttered for good? Or is this the start of a whole new chapter for Greg? 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) 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