Start with high-confidence adolescence books, then narrow by subgenre or adjacent topics.
Guts: a Graphic Novel
Raina Telgemeier
Untangled
Lisa Damour Ph.D., Lisa Damour
Smile: a Graphic Novel
Goodnight Dorm Room
Keith Riegert, Samuel Kaplan
Are You There God? It's Me, Margaret.
Judy Blume
