A Mosasaurus glides through the water, on the hunt. It spots a shark and CHOMP! The shark makes a tasty meal. This massive marine reptile swam through prehistoric oceans, and it fascinates early readers even today. Explore the life of this dinosaur with maps, charts, and other infographics and fast facts, including its body features, food, and behavior. Kids will dig up fun facts like fossils, making it perfect for beginning readers, early reports, STEM and biology lessons. On-page vocabulary definitions, a table of contents, a glossary with pronunciations, further resources, and an index all enhance comprehension in a nonfiction beginning reader format.