Non-Fiction

Gender Born, Gender Made (2011); The Gender Creative Child (2016) by Diane Ehrensaft, PhD.
She has decades of experience with gender nonconforming children and lives and works in the Bay area.

Becoming Nicole; The Transformation of an American Family (2015) by Amy Ellis Nutt.

Mom, I Need to be a Girl by Just Evelyn.
Published as a book and also online at http://ai.eecs.umich.edu/people/conway/TS/Evelyn/Evelyn.html

Helping Your Transgender Teen; A Guide for Parents (2011) by Irwin Krieger
A short, simple introduction, but makes guidelines for medical transition sound more inflexible than they are.

The Transgender Teen (2016) by Brill and Kenney (associated with Gender Spectrum).
Mixed reviews – a lecturing tone, some vocabulary errors; but appreciated by some parents just starting out. Addresses non-binary.

Beyond Magenta: Transgender and Nonbinary Teens Speak Out (2015) by Susan Kuklin.

How to They / Them: A Visual Guide to Nonbinary Pronouns and the World of Gender Fluidity (2020) by Stuart Getty

Becoming a Visible Man, 2nd ed (2020) by Jamison Green.

Just Add Hormones: An Insider’s Guide to the Transsexual Experience (2006) by Matt Kailey.

Two Spirits, One Heart: A Mother, Her Transgender Son, and Their Journey to Love and Acceptance (2nd Ed 2013) by Marsha Aizumi and Aiden Aizumi

He/She/They: How We Talk About Gender and Why it Matters (2023) by Schuyler Bailor.
He is the first transgender man to compete in an NCAA Division I sport (swimming for Harvard). See also pinkmantaray.com and Dear Schuyler Podcast

Transgender Explained For Those Who Are Not (2009) by Joanne Herman.

She’s Not There; A Life in Two Genders (2003) by Jennifer Finney Boylan.
The author is an English professor who transitioned in adulthood (with a wife and kids). Very readable and great perspective.

Through the Door of Life; A Jewish Journey between Genders (2012) by Joy Ladin.
This author was also an English professor who transitioned in adulthood with a wife and kids.

Whipping Girl: A Transsexual Woman on Sexism and the Scapegoating of Femininity (2007) by Julia Serano

Supporting Transgender Autistic Youth and Adults; A Guide for Professionals and Families (2019) by Finn Gratton.
Office for therapy in Mountain View.

Gender Identity, Sexuality and Autism; Voices From Across the Spectrum (2019) by Mendes and Maroney.

And see the Gender Identity Awareness Network book list, including books for children.

Fiction

Long Black Veil by Jennifer Finney Boylan

Mad Honey by Jodi Picoult and Jennifer Finney Boylan

Videos

Trevor Project: Sharing Space. Episode 1. Daniel Radcliff moderates a conversation with trans and nonbinary young people (~20 mins)

I Changed My Mind Episode 1 is about a mother who learned how to support and affirm her trans son, after religion-based rejection. (15 mins)