Caillou's Daddy helps him be patient until Christmas with a special Advent calendar that counts down the days left before Christmas. Each day Caillou gets to open a window on the calendar and discover a story about holiday customs around the world. Caillou finds out about the first Christmas tree and about the man who became known as St. Nick. He also takes part in his own family traditions, and learns about giving and sharing along the way--Caillou makes Christmas cards for all his friends and he gives away some of his toys. A book that celebrates the festivities, traditions and meaning of Caillou's favorite holiday!.