Barnes & Noble Online Coupon: Additional 20% off 1 Item (exclusions apply) + Free S&H on $25+ By admin | July 7, 2017 3:31 am EST 0 Comment Link Apply coupon code GOODBUY for 20% off 1 item. Shipping is free on orders $25+.Offer valid through July 8th at 2:59am Eastern. Refer to this page for offer terms/conditions and exclusions.