@lalah My other rec was fiction by a nonbinary author. If you're interested in nonfiction, then you might also consider the memoir Cactus Country by Zoë Bossiere.
@Toastie Nice essay, thanks. This reminds me, of course, the Chiribiquete findings in the Colombian Amazon. https://rtvcplay.co/peliculas-documentales/chiribiquete-un-viaje-a-la-memoria-ancestral-de-america