Groupon is offering up an awesome deal that anyone can score! Through February 6th, the Groupon national deal is valid for $20 worth of Toys and Games, Books and More at Barnes & Noble for ONLY $10! The best part is this certificate can be used in-stores or online!Woohoo!Expires Apr 10, 2011. Limit 1/person. Limit 1/trans. Valid in-store or online. Valid on sale items.