Millions of years ago, Spinosaurus was one of the largest dinosaurs around. With a distinctive large sail and crocodile-like snout, it once prowled the deep waterways for large fish and sharks. Now, this huge predator captures the interest of readers. Take struggling and reluctant readers on a journey exploring this Cretaceous dinosaur's features, behaviors, and the hot environment it lived in. With expertly leveled text, action-packed imagery, detailed maps, timelines, and other infographics, students will love this hi-lo nonfiction chapter book. Includes a table of contents, glossary with pronunciations, further resources, and an index to enhance comprehension.