They instituted a deal whereby at one minute past midnight Pacific Standard Time they would publish a USD$10 e-book deal of the day. For the remainder of that day, one can order the e-book for only $10. The books (as one might guess) are chosen daily from their library of available e-books.
I grew tired of trying to remember to check back for today's deal of the day, and thought that is something a computer should be doing on my behalf.
Thus, I give you the unauthorized syndication of Apress.com's deal of the day:
As with my other feeds, they are syndicated in good faith and will be taken down upon request from the content's owner.