John Green's six favorite coming-of-age books

John Green's books include the best-selling novel, The Fault in Our Stars.

One of the author's six favorite coming-of-age books, as shared at The Week magazine:
Sula by Toni Morrison

Morrison won the Nobel Prize in literature the same year that I read Song of Solomon in a high school English class. I loved that novel so much I read Sula (and Beloved) for fun that summer. The friendship between