Offer is valid on used books that ship from BetterWorldBooks.com that are within the sale category.
Offer is not valid on new books or books that ship from other sellers.
No code necessary to receive discount.
Sale ends on Friday, October 12th, 2012 at 4:00 PM EDT / 8:00 PM GMT.
Does not combine with other promotions.
Free international shipping.
http://www.betterworldbooks.com/list...005473-4426603