Warning! Unfold this book for scary dino saur surprises! Two brothers set off on a pretend expedition to find dinosaurs. Of course, everyone knows dinos don't exist, so there's no need to be scared - or is there? T he reader soon see s the brothers climb through rocks that are really dinosaur teeth and mountains that are sharp dinosaur horns . Then, as each page unfolds, the landscape reveals itself to be full of dinosaurs! Mark Janssen's plays visual tricks with scale. He creates a world of bold colourful illustrations where nothing is quite what it seems. Watch out and look closer ... that tree or hill might be a dinosaur, too.