Dinosaurs walked the Earth over millions and millions of years ago--a long time before anyone was using a cell phone or computer! But with the assistance of advanced technology systems and software, we've been able to learn a lot about what dinosaurs actually looked, sounded, and even felt like. In this book, readers connect the past to the present as they learn about dinosaurs and how modern technology has helped us to piece together their lives from centuries ago. Eye-catching illustrations paired with accessible text make for a reading experience that fits a variety of skill levels.