Earlier this year, I became aware of STANDARD EBOOKS, a donation-dependent group of edtiors and layout experts who have been doing the amazing work of taking out-of-copyright books, turning them into top-quality ebooks, and then releasing them for free.
Some of the books they've done are in the Internet Archive here:
https://archive.org/details/standardebooks
They're seeking 75 patrons in December to keep themselves afloat, consider donating to this amazing cause.
@LucyWildboots No - they stick to the original wording, but ensure that the e-books are well formatted.
Converting old paper books to ebooks is not an easy task, and there tends to be formatting issues with freely available ebooks of public domain works (if you can even find them). Words are messed up, spaces missing, headlines appear as normal text, footnotes weird etc. Standard Ebooks are always a joy to read. :)