Deck the halls with Captain Underpants in this wacky, holiday-filled, action-packed young graphic novel!George and Harold love Christmas, but they've decided that the old traditions could use an upgrade. Their solution? Blissmasa cooler, more modern version of Christmas, including a Mechalition Derby, holi-DJs instead of Christmas carols, lasers instead of twinkle lights, and a totally jacked Santa Claus.But as with all of George and Harold's genius ideas, Blissmas has some u