One night, Spike creeps downstairs in his pyjamas to find that his granny has turned into a dinosaur - GRANNYSAURUS! There are dinosaurs BOOGYING in the living room. With Brontosaurus, Stegosaurus and Gigantosaurus, it's a DINO DISCO! Spike wants to stay up and party too! How will Grannysaurus ever get him back to bed? 3+ A boisterously funny new picture book from David Walliams and Adam Stower, perfect for young dinosaur fans!