The link below is to an article that lists five of the best book recommendation services available. If you have used these services you may or may not agree with the list. If you know a better, please recommend it in the comments.
For more, visit:
http://lifehacker.com/5595842/five-best-book-recommendation-services
Sign Up for a Free Ebook Each Day
Forgotten Books is a site all about out of print books. You can download free ebooks (PDF format), subscribe to a mailing list and get sent a link to a free ebook on a daily basis, and read books online. Forgotten Books are also partners of both Amazon and Google Books.
To visit:
http://www.forgottenbooks.org/index.php
The link below is to a website where you can see photos of other peoples bookshelves. Let’s face it, if you’re something of a bibliophile like me, you just love having a look at the bookshelves of family, friends and those of other people. This site brings that whole experience to the Web.
For more visit:
http://bookshelfporn.com/
At the BookShelf 