What if you were the size of a school bus? Well, you'd probably need a new house, for starters! Meet the iguanodon, an herbivore dinosaur who weighed tons—literally! Learn about what life was like for these spiky-thumbed plant-eaters, and become an iguanodon expert with full-color photographs, diagrams, and more. Age-appropriate critical thinking questions make this title a great choice for beginning nonfiction readers.