Ready Player One by Ernest Cline is on sale in the Kindle store for $2.50 here. I had been meaning to buy this one, and now I have
Blood's Pride by Evie Manieri is on sale in the Kindle store for $2.99 here. The second book in the series is due out in February 2015.
The Hobbit, and the 3 books in the Lord of the Rings trilogy, are on sale in the Kindle store for $2.79 each. Not bad. The Lord of the Rings omnibus edition is also on sale for just $5. You can find them here.
The first two books in the King Killer Chronicle are currently on sale in the Kindle store:
I already owned the ebooks, but couldn't pass up the chance to get the audio books for such a low price.
Words of Radiance by Brandon Sanderson is currently on sale in the Kindle store for $3.75 here. Nice!