Come on a magical dinosaur adventure with Katie in this classic picture book. When Katie visits the Natural History Museum with Grandma, she finds a mysterious door... and steps back in time to the world of the dinosaurs! Katie helps a baby dinosaur find his family, rides on the back of a Brontosaurus, and has a picnic with a Triceratops. But just what will she feed a very hungry and fearsome Tyrannosaurus Rex?Katie has been delighting children for over 25 years!