"Spinosaurus was possibly the largest predatory dinosaur that ever lived, surpassing the better-known Tyrannosaurus rex in size. The long bones sticking out of its back looked like a giant sail. Learn more about this remarkable reptile in Spinosaurus, a Mighty Dinosaurs book"--Provided by the publisher.
Simple text and illustrations introduce young readers to the spinosaurus dinosaur. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.