Unicorn's on a quest to get his groove back in this must-have companion to the kid-favorite bestseller Unicorn Thinks He's Pretty Great You remember Unicorn. You know, Goat's friend? The one who can fly, make it rain cupcakes, and turn things into gold? On the first day of school, Unicorn expects to make his usual big splash. But no one pays him much attention--the other kids are much more interested in the latest trend in toys:...