Here's the text from the email:
Black Friday Sale
The Black Friday Sale Starts Now.
Oh no, what is this Black Friday email doing in your inbox on a Tuesday? Oh well, might as well make the best of it by getting ahead of the (online) crowd and shopping the (online) sale today!
I mean, since we already sent this to you, there’s no reason not to tell you what the sale is. Save 25% on all orders of 5 or more books from our entire used book inventory. That means anything in our warehouse on the site is fair game!
Shop the Black Friday Sale »
(Don't forget to use the discount code: BLACKFRIDAY)
Plus, every book you purchase lets us donate one to someone who needs it!
Offer is valid on used books that ship from our warehouse.
Offer is not valid on new books or books that ship from other sellers.
Sale ends Monday, December 2, 2013 at 9:00:00 AM EDT.
Discount code BLACKFRIDAY is required to receive your discount.
Offer does not combine with other promotions, such as the Bargain Bin.
If you're not sure if a book is on sale or not, you can look for the seller name for each book when you go to your cart. The seller name must be Better World Books for the discount to apply.