Step into the book to see how You measure up against some of the world's most incredible, ginormous, deadly dinosaurs and prehistoric creatures. This interactive non-fiction adventure features Lifesize illustrations so you can try on a Utahraptor's claw, compare your nostrils with a Diplodocus, see how a Stegosaurus plate would look on your back, wear a Pteranodon's beak, and much, much more. And don't forget to open up the fold-out pages to reveal a Lifesize Tyrannosaurus rex mouth that's over a metre long! ROAR!