1st party sellers(amazon) or 3rd party as well or sold by a 3rd party but shipped through amazon?
Shipped & Sold By Amazon Only.
For a limited time use promo code TXT10 to save $10 on new textbook purchases of $100 or more. Offer valid through 12:00pm PT September 15, 2016 on new textbooks
shipped and sold by Amazon.com, while supplies last. Does not apply to digital content. Limit one per customer.