Kids will love Aurora Periwinkle. She's Santa's polar opposite, a curious scientist living at the South Pole. She keeps track of the temperature, the wind, the tides, the snowfall, and the animals. It's a quiet, peaceful life -- but it's all about to change. One day, Aurora notices a bright red jewel lying in the snow. "What is that doing here?" A few days later, she finds two more jewels - a green one and a...