"Imagine a battle between a bird and a rhinoceros. It might seem obvious that the rhinoceros would triumph. But the outcome isn't so clear when the bird in question is a cassowary-a large, heavy creature with a reputation as the world's deadliest bird. Young readers will thrill at the knowledge they uncover as they try to figure out which of these fascinating animals might prove victorious if they were to confront each other. Age-appropriate text...