Have you heard that the Moon is made of green cheese? Or that the appearance of the full moon can turn you into a wolf? And how about that Man on the Moon? If you believe any of these old Moon myths, then you need to get your facts straight--straight from a Moonstruck cat and his firefly pal, that is. These two characters have the real facts, and they're just as intriguing: Why does the Moon seem to change shape? What is it made of?...