In "No Brainer," the 18th book of the popular Diary of a Wimpy Kid series by bestselling author Jeff Kinney, Greg Heffley faces a challenging situation as his school is in danger of closing. Life in middle school has not been easy for Greg, and when he learns that the town plans to shut down the worn-out building, he feels indifferent at first. However, things take a turn when he discovers that this closure would mean leaving behind his best friend, Rowley Jefferson, and moving to a different school. Faced with this reality, Greg feels an urgency to act. He joins forces with his classmates to brainstorm ideas and come up with a plan to save their school from permanent closure. The story unfolds with humor and heart as Greg navigates friendships, teamwork, and the challenges of growing up. Will their efforts be enough to preserve their school and their friendship, or will Greg have to face a new chapter in his life? Join him in this entertaining and relatable adventure filled with laughs and lessons about loyalty, courage, and the importance of standing up for what matters most.