Rumble…hiss…squawk…thwack! Travel back over 65 million years to find out what the dinosaurs might have sounded like, from the trombone-like call of Parasaurolophus to the low rumble of a T Rex. At the touch of a button, unleash 12 dinosaur sounds all based on the latest paleo-acoustic research. Artwork, text and sounds all work together to bring this lost world back to life. Latest in the best-selling series.