Parasaurolophus is known for the trumpet-shaped crest on its head, which makes a low sound similar to the one elephants or whales make when communicating among their species. Readers learn this and other facts about this dinosaur, such as what it ate, the places it called home, and how it survived among predators.

Includes index.

What were dinosaurs? -- When were dinosaurs alive? -- How do we know ...? -- Parasaurolophus -- What did Parasaurolophus look like? -- Where did Parasaurolophus live? -- What did Parasaurolophus eat? -- Did Parasaurolophus have the strangest skull? -- A closer look at Parasaurolophus -- Find its twin -- Glossary -- Index.