Want to find out what it takes to be a Great Big Dinosaur? This book is for you! More than anything in the world, one little boy wants to be a great big dinosaur. And he's in luck! A great big T. Rex shows up to teach him how to stomp and roar just like a dinosaur. But dinosaurs aren't so great at soccer or video games… Maybe being a little boy isn't all bad? A story about being whoever (or whatever) you want!