I Wonder Why Penguins Can't Fly

Ever since watching Disney's Frozen Chester has been obsessed with all things ice, snow and arctic. Well to be specific, what actually started it was the Northern Lights that were shown at the very beginning of the film. . . So when we were looking through the I wonder why Penguins can't fly book, Chester was thrilled to see a picture of the Northern Lights. It had a small paragraph of information in it which explained perfectly how the Northern lights exist!