best reviewed, and by far best selling novella. And the Kindle version's free for the first time, all week long. Get it on Amazon.
UPDATE: Wow. I've run giveaways that reached 200 or 300 folks before. But this one took off. About 4,000 people downloaded Sin. There are already fresh reviews on Goodreads and Amazon. And Regret Things got a sales bump as a result, too.