Hi sresters & welcome to MR. The link posted by cassidy has a lot of great books edited by MR members. Most of those are classics. Newer books are rarely free, the authors have to live on something. But do check out
Smashwords and keep an eye out on
this section of the forum.
If you were after recommendations for pirate sites - sorry we can't and won't help you here as this is not supported by MR.