Ankylosaurus was a heavily armoured dinosaur that could knock down other dinosaurs with its club-like tail. Read this book to discover more about it and meet other fascinating dinosaurs: Psittacosaurus, a herbivorous dinosaur with a parrot beak; Hypacrosaurus, a herbivorous dinosaur that was almost as large as the Tyrannosaurus; Spinosaurus, a carnivorous dinosaur with massive sail-like spines; Quetzalcoatlus, the largest pterosaur to live; and Dromiceiomimus, a fast and intelligent dinosaur who could hunt at night.