https://www.amazon.com/gp/aw/d/1684932289

There are a bunch of people reprinting it, because it's easy to just reprint scans, but this copy actually re-typeset it.

If you already know the subject the old typesetting is bad enough but you really don't want to try teaching someone who's never been exposed to Euclid from it, or they'll be wondering why it spends so much time talking about furfaces.