Playing with the popular game "Peekaboo," readers help Peek search for Boo as the small guinea pig gets up to all sorts of hi-jinx around the house before Santa arrives! It's the night before Christmas, but Peek can't find her friend Boo! Is he hiding in the stockings? Or lost in the tinsel? And what if Santa sees him? Help Peek search for the small guinea pig as he has silly holiday fun on Christmas eve. Can you find him before Santa arrives?.