Nonfiction by Pia de Jong
https://www.barnesandnoble.com
A young couple receive a terrible diagnosis for their new baby daughter; she has a fatal form of leukemia and the only possible treatment (chemotherapy--not recommended for newborns) might be worse than the disease. So, they decide not to treat her. They do.... nothing.
This was an interesting memoir in a way, because of the writing style; I liked the narrator and her family, and the weird people in their neighborhood. But, the main story --
the saving of Charlotte-- didn't work for me. Because they didn't do anything to save her! Literally!
Still, I'll give it a thumbs -up just for the beautiful writing.