Free Kindle eBooks from Amazon
Currently 16,528 Public Domain Kindle eBook titles available for free from Amazon.com
Free Kindle eBooks from Amazon
791,099 Kindle eBooks sorted by price, starting with $0.00
All Kindle eBooks sorted by price
Cool tracker/watcher for Amazon
http://azgizmo.com/
18,000+ Free books from the Internet Archive
The Internet Archive’s 1.8 million books now available as free Kindle Books – Most are now in MobiPocket/Kindle format. Choose MOBI from the download links on the upper left side of the book page (just below the book cover/image).”>Free Kindle eBoosk – choose MOBI format</a>
Manybooks.net – 19,000+ free Kindle books
http://ireaderreview.com/2008/01/19/free-books-for-the-amazon-kindle/
Google books for your Kindle
How to convert free eBub and PDF format for your Kindle
http://ireaderreview.com/2009/08/29/kindle-free-google-books-guide/