This may be a good place to ask, where do you buy DRM-free ebooks? Amazon only sells "Kindle Edition" books which are DRM or a proprietary format. Same with Goo

This may be a good place to ask, where do you buy DRM-free ebooks? Amazon only sells "Kindle Edition" books which are DRM or a proprietary format. Same with Google Books and the Kobo store. There are independent publishers who publish content DRM-free like * https://www.manning.com/ https://www.manning.com/ * https://pragprog.com/ https://pragprog.com/ But is there something like Amazon which has a huge library of DRM-free ebooks for sale?