Can You Tell a Triceratops from a Protoceratops?

Can You Tell a Triceratops from a Protoceratops?

A dinosaur with pointy horns searches for a meal. It tears leaves off branches with its strong beak. Was that a Triceratops? Or was it a Protoceratops? These dinosaurs looked similar, but they were very different. Read this book to become an expert at telling these look-alikes apart!