"This nonfiction reader compares and contrasts sixteen of the fiercest flying pterosaurs. Readers will learn about each pterosaur's unique features, behavior, and more. Then, compare and contrast the battling pterosaurs before finally discovering the winner! This nonfiction series is full of facts, photos, and realistic illustrations. It includes a range of mammals, sea creatures, insects, and dinosaurs to satisfy all kinds of animal fans"-- Provided by publisher.