Some dinosaurs were extremely big—with a body longer than a basketball court or teeth the size of bananas. Some dinosaurs were extremely small—no bigger than a crow. Dinosaurs lived extremely long ago—millions of years before there were people. But some dinosaur descendants might be looking in your window right now!

Meat eaters and plant eaters, big and small, scaly or feathered—all kinds of dinosaurs once lived on Earth. Find out how they hunted, raised their young, and kept themselves safe. Learn why they died out—if they really did! Full of facts, pictures, and links to the Internet, Extreme Dinosaurs! Q&A will answer important questions about these fascinating creatures from long ago.