Everyone's in the Christmas spirit . . . everyone except Mrs. Bingsley and Crockett! Mrs. Bingsley cancels the Secret Santa, doesn't laugh at jokes, and refuses to sing the new version of "Jingle Bells." And Crockett's father has canceled their white Christmas. Katharine knows they're down in the dumps. Will her plan to become Santa's Secret Helper succeed and turn this ho hum season into a holly jolly holiday? Aligned to Common Core Standards and correlated to state standards. Calico is an imprint of Magic Wagon, a division of ABDO.