I thought I would pass this along.
Amazon has Crusader Kings 2 in some bundles at an amazing price.
The return of the Plentiful Paradox Package for $12.49. Includes Crusader Kings 2, Sword of the Stars 1 & 2, Victoria 2 and more.
It's partner in crime. Pint-Sized Paradox Package for $7.49. This contains most of the DLC for Crusader Kings 2 along with Majesty 1 & 2.
Or the combo pack. The Plethora of Paradox Games for $19.99.
The whole sale list is here:
Here is the list of all the sales.