'For some, December 25 is a solemn day, key on the Christian calendar, involving important traditions to be treated with reverence. But for many, Christmas is a time for unbridled fun: Santa, presents, and the random grump next door who suddenly decorates his house in an overwhelmingly delirious light display. For a month, we embrace with childlike delight things that for the rest of the year we would dismiss as kitsch, tacky, too bright, too shiny.' (Introduction)