Barnes & Noble – Buy 1 Smoothie Get 1 FREE This post may contain affiliate links and I may be compensated for this post. Please read our disclosure policy here. June 8, 2011 Sharing is caring!0sharesShareTweetPin Barnes & Noble has a new printable coupon for Buy 1 Smoothie, Get 1 FREE. This coupon is valid thru June 13, 2011. This is valid at participating Barnes & Noble cafe locations. Thanks For the Mommas!