Open Road/Early Bird has a short-lived sale on horror/thrillers today, in honor of Halloween tomorrow. I'm not up on thrillers/horror, and too many titles to list, but if you want to take a look, here is a link to the Open Road site, which then has onward links to various sellers for any books you might want.
link:
http://link.openroadmedia.com/view/5...1.9qv/378e804d