The purpose of the author in writing this book is to help inspire people to not give up easily if things in life gets very bad or if we are put in a very unfortunate situation and became depressed.

Especially the teenagers that is also experiencing or going through depression.
We can tell it because this book is about two unlike personalities who bond together because of their love of music.It is also about friendship, loss, and longing, Especially with Eleanor that lives with her family at her horrible step-father’s house, and relies on Park to help her escape.