The newly released adaptation of Stephen Chbosky’s 1999 cult novel The Perks of Being a Wallflower stars Logan Lerman as Charlie, our perennial wallflower and the film’s occasional voiceover narrator.

I give “The Perks of Being a Wallflower” an underratedness score of 4/5. That being said, a good number of people have seen it or heard of it, and most who have watched it appreciate it. As a word of ...