With e-readers being so cheap in the US, a lot of people got them for Christmas. Which shows in the number of Sales.
Allromance offers 50% rebate today and tomorrow.
Fictionwise has a 55% off code:122311.
Booksonboard has a 26 % discount code. ChristmasOnBoard.
Sourcebooks and Avon have large sales that ends soonish. I wouldn’t be surprised if other publishers have sales too.