I keep textbooks for subjects related to that which I study and could possibly have use for in the future, but not for subjects I don’t care about.

If you want just a ton of books of varying quality, try https://www.thebookbundler.com/collections/books-by-the-color-decorative-books-bundles?gclid=EAIaIQobChMImrj40-XMggMVFcrICh2KVwvDEAAYASAAEgKN7vD_BwE.

They have lots of books by color and kid’s books, but also some adult bundles sorted by theme.

I read lord of the rings when I first got sent home

They have no faces and at most vague clothing if the style is described. I cannot picture faces