A hilarious, read-aloud counting book. Perfect for fans of the Dinosaur That Pooped series! Knock, knock! Who's at the door? One real live dinosaur! A visit from a dinosaur might sound like fun... but what will happen when not one, not two, but TEN dinosaurs knock on the door? Muching and crunching, skating down the hall, and drawing on the walls. It's Dinosaur chaos! A laugh-out-loud rhyming story from bestselling author Caryl Hart. With illustrations from Nick East, the artist behind the Toto the Ninja Cat and Goodnight Digger series.