Every year, the Christmas family puts up the biggest Christmas tree. They hang up the most lights. And their dog, Rudy, barks "Jingle Bells" for the entire neighborhood to hear. The Christmas family LOVES Christmas! That is, all except for seven-year-old Mary Christmas. Mary wants to love it. But how do you make a Christmas celebration better when it's already as big as can be? With some help from her family-and Rudy-Mary just may find a way to make this year's celebration the merriest yet. With oversized humor and heart, this story of spreading Christmas cheer is sure to become a holiday classic.