You see, hundreds of U.S. airport booksellers are operated by a same company, Paradies Lagardère. And that association runs a accessible Read Return program that lets we lapse books within 6 months of purchase, no matter their condition. Simply move books behind to any of a company’s stores with a receipt, and you’ll get a 50 percent refund.
Article source: http://www.huffingtonpost.com/entry/read-and-return-airport_us_59b2e8e7e4b0354e4411e5ac?section=us_travel