I always have a contest. To be eligible to win one of THREE book give-aways every month here's what you do:

Sign up for my newsletter: http://www.ketadiablo.com

And . . .
Follow one of my blog:
Keta's Keep: http://ketaskeep.blogspot.com
The Stuff of Myth and Men: http://thestuffofmythandmen.blogspot.com

I always have other contests (free book give-aways) on many blog sites that review my books, so by following my blogs you'll know where they are.

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Namaste, Keta