With a name meaning "double beam," the Diplodocus stood on four legs and lived during the late Jurassic period. This dinosaur was known for having a long neck, and each of the photographs and diagrams in this volume allow for readers to explore the Diplodocus and learn about its behaviors, strength, and ways of living. A vibrant and achievable summary of facts about the creature is featured at the end, and each fact has an engaging illustration to bring the guide to life!