Start with high-confidence growing up (adolescence) books, then narrow by subgenre or adjacent topics.
The Confidence Code for Girls
Katty Kay, Claire Shipman
High
David Sheff, Nic Sheff
Guts: a Graphic Novel
Raina Telgemeier
The Survival Guide to Bullying: Written by a Teen
Aija Mayrock
The Book of Radical Answers
Sonya Renee Taylor
Friends Forever
Shannon Hale
Weirdo
Tony Weaver, Jr.
Run Home
Alyssa Bermudez
Smile: a Graphic Novel
How to Survive Anything
Rachel Buchholz
Surviving Middle School
Luke Reynolds
You-ology
Trish Hutchison, Kathryn Lowe
Will Puberty Last My Whole Life?
Julie Metzger, RN, MN, Robert Lehman, MD
Puberty Is Gross But Also Really Awesome
Gina Loveless
12 Questions About Cyberbullying
Angie Smibert
Porn Is Not Sex Ed!
Jessica Melendez