Recommended Readers Age 10 and Above.... One Day, One Million Year Ago.. One day, you are walking through a prehistoric forest, you hear a twig snap behind you. You turn, slowly, hoping that it isn't what you think it is. Standing behind you is a Stegosaurus, chomping away on some leafy ferns. You breathe a sigh of relief. You were afraid it was a predator with its eye on you as a tasty snack. Of course, that was millions of years ago, so it could...