A young boy encounters some fascinating facts - and even more intriguing questions - aobut Tyrannosaurus rex in this lively ode to curiosity. It began with an egg! What size was the egg? The egg was as big as your head . . . maybe. Don't you know? Why don't you know? It was millions and millions of years ago! A grandson and granddad are touring the special T. rex exhibit, and there are so many things the young boy must know. Was the dinosaur egg in...