HOT GROUPON DEAL: $20 Voucher to Barnes & Noble for $10 + This post may contain affiliate links. Please see the full disclosure policy here. Posted on February 3, 2011 Written by Mary Leave a Comment It’s Live! A HOT NEW Groupon has been added: Pay ONLY $10 for $20 on online and offline purchases, including any purchases made via an ebook at Barnes & Noble Bookstore! GO HERE to grab yours while it’s still available.