The way it tackles difficult topics like bullying makes it special.
There are several things. First, its unique perspective on the bully - victim relationship. Second, the way it uses silence as a motif throughout the story. Silence can mean so many things in this context - from the deaf girl's literal silence to the emotional silence between characters. Also, the story's ability to evoke strong emotions in the audience, whether it's sympathy, guilt or hope, makes it truly special.