Have you used up your Kindle Gift certificate already. If you are an avid reader, book collector, or just looking free eBooks, then check out the article on 50 Cool Search Engines for Serious Readers.
The article provides an excellent list of resources and broken down by the following areas of interest for book enthusiasts:
1. Free eBooks for your eReader
2. Books to Swap, Sell and Buy
3. Rare Books
4. Book Reviews and Community
With so much information on the internet, it’s tough to find quality sites. Thanks to Jesse for sharing!