KDP Free Promotion Net Effect

This post is a follow up to my article, KDP Select as a Marketing Tool for Indie Authors?, where I began the discussion on how self-published authors might see value in Amazon's KDP Select free promotions for gaining visibility and spreading the word about their work.

I initially ran my first free book promotion for FALSE POSITIVES on 7 Jan, 2012 after its Christmas 2011 release.  Just prior to the program I took note of a few key metrics:

Paid rank in Kindle books (US):  53,236US Sales: 4UK...