If You're a Kid Like Gavin by Gavin Grimm

This picture book tells the true story of Gavin Grimm, who was assigned female at birth but says she is a transgender boy. Gavin started a civil rights battle fighting for the right to use the boys' school bathroom. 

This book contains: activism/protest, alternate gender ideologies, bullying, controversial commentary, gender dysphoria and the use of improper pronouns.