Start with high-confidence ya adoption stories books, then narrow by subgenre or adjacent topics.
Far From the Tree
Robin Benway, Sophie Lamotte d'Argy
Hooper
Geoff Herbach
The How & the Why
Cynthia Hand
When We Become Ours
Shannon Gibney, Nicole Chung
How to Save a Life
Sara Zarr
The Indigo Notebook
Justine Eyre, Laura Resau
A Brief Chapter in My Impossible Life
Dana Reinhardt
Three Black Swans
Caroline B. Cooney
A Place to Belong
Joan Lowery Nixon
En Busca De Milagros
Julia Alvarez
Invisible Son
Kim Johnson
Secret of Me,the
Meg Kearney
You Have a Match
Emma Lord
The Inexplicable Logic of My Life
Robbie Daymond, Benjamin Alire Sáenz
Borrowed Boy
Gene Gant
This Book Might Be About Zinnia
Brittney Morris