'A true genius . . . Roald Dahl is my hero' - David Walliams Phizzwhizzing new cover look and branding for the World's NUMBER ONE Storyteller!In this popular Dahl story, George creates a very special medicine to cure his grandma of her nasty habits.Now you can listen to GEORGE'S MARVELLOUS MEDICINE and other Roald Dahl audiobooks read by some very famous voices, including Kate Winslet, David Walliams and Steven Fry - plus there are added squelchy soundeffects from Pinewood Studios! And look out for new Roald Dahl apps in the App store and Google Play- including the disgusting TWIT OR MISS! and HOUSE OF TWITS inspired by the revolting Twits.