Here are a couple of Free Kindle Downloads available right now:
Riven by Jerry B. Jenkins. This is a Christian Fiction title.
Whisper on the Wind by Maureen Lang. This is described as Historical Fiction novel set in WWI.
Remember that you do not need a Kindle e-reader to be able to read this book. You can read it on your PC, iPhone, iPad, Blackberry and Android. Just download for free the appropriate application to be able to do that. Amazon changes prices without notice, so make sure to check that the kindle price it is still $0.00 before you start downloading this book.