Librarything is a book review website. You sign up and then check out the giveaways...When you are chosen for a book - they will notify you and send it in the mail - and they pay shipping!
The more books you review, the better the odds of receiving more!
I have been a member for 8+ years now, and have received dozens of free hard copy books over the years.
If you love to read - then check it out!