https://standardebooks.org/
Another great source of well formatted, public domain books.
Another great source of well formatted, public domain books.
I processed two books from Gutenberg for SE (Devil's Dictionary and a smaller scifi novel) and both were quite a bit of work to bang the books into shape (half the work was metadata enhancement, half was proofreading and correcting)
EDIT: After comparing, it's definitely just the raw Gutenburg scan w/formatting. You can see a big batch of fixed typos that weren't applied here: https://github.com/standardebooks/ambrose-bierce_the-devils-...
A great source of free (public domain) audiobooks, mostly read very well.