So... late at night, I was debating whether or not to buy this book now or later. I chose now. The book cost 19.85, and I had no rewards dollars with me. (Each reward dollar is equivalent to $5) So after about a half hour of should I or shouldn't I, I decided to go for it.
Not less than ten minutes later, I get an email stating that a sale started on EVERY book they had (New releases included) for 50% off everything. The sale started at midnight. I bought the book at 11:52.
Just wanted to share.