Quetzalcoatlus (kwet-zal-koh-AHT-lus) was a giant reptile that flew in the sky. Yet this prehistoric creature was very different from today's birds. How? Answer: It had no feathers on its wings. It also had teeth in its beak. Today's birds have beaks but no teeth. These are just some of the fascinating facts kids will discover as they learn all about the flying animals of the dinosaur age. Sky Terrors uses an engaging question-and-answer format that...