From this reddit post:
Project Gutenberg is a site that uploads free public domain ebooks to make them available to the public. It’s a great resource for free ebooks but it can be hard to find books you might be interested in picking up if you don’t know what you are looking for. I make these collections for r/FreeEBOOKs periodically to make it easier to find something to read.
I will be uploading new lists as often as I am able to on more topics or expanding some of the existing lists. Click the “follow” button on this post to be notified when they are uploaded.
50 free books on etiquette – trust me these are very entertaining
Free audiobook collections from Librivox:
If you want to read ebooks on your kindle, here’s my how-to on that: