Description from Google Books:

Collects the diaries of middle-schooler Greg Heffley as he faces the challenges of school, deals with his annoying older brother, misses the comforts of modern life when his town voluntarily goes electronics-free, and faces other challenges.

Snippet from Google Books:

Collects the diaries of middle-schooler Greg Heffley as he faces the challenges of school, deals with his annoying older brother, misses the comforts of modern life when his town voluntarily goes electronics-free, and faces other challenges ...

Description from Harvard Library:

Greg records his sixth grade experiences in a middle school where he and his best friend, Rowley, undersized weaklings amid boys who need to shave twice daily, hope just to survive, but when Rowley grows more popular, Greg must take drastic measures to save their friendship.