What is the summary of diary of a wimpy kid old school?

In "Diary of a Wimpy Kid: Old School," Greg Heffley faces a new challenge when his mother decides to impose a tech-free weekend, sending him to a retro summer camp. Greg grApples with the absence of modern conveniences and the return to old-fashioned activities, which leads to humorous mishaps and conflicts with his peers. As he navigates the challenges of camp life, he learns valuable lessons about friendship, resilience, and the importance of disconnecting from technology. Ultimately, Greg's experiences help him appreciate both the past and the present.