Anatomy of a Countdown Promotion

I recently completed a Countdown Promotion in Amazom.com on Kindle Select. Before the promotion my book (The Black Orchestra) was priced at $3.99 and selling at a rate of 4 books per day on Amazon.com. The promotion ran as follows (times are GMT): Noon Dec 6 to noon Dec 8 selling price 99c = 0.25 […]