Triceratops

With its three large horns and bony frill, Triceratops is one of the most recognizable dinosaurs. But what is that huge frill for? And why did this large reptile have three horns? Readers will love learning the latest theories for some of the biggest questions about this creature of the late Cretaceous, supported by fossil evidence unearthed in western North America. Beautiful full-color images and fun fact boxes are complementary to the well-researched text, which is supportive of key science of reading concepts.