Cranberry Autumn When Grandmother and Maggie help organize an antique sale in Cranberryport, Mr. Whiskers feels useless until he helps Grandmother make a big profit. “How wonderful! Why, you are just too smart for that mean Mr. Grape,” said Grandmother. “What would we do without you?” she clapped her hands. “I’m a hero-” Mr. Whiskers announced to Maggie. “A hero.”