In this popular Dahl story, George creates a very special medicine to cure his grandma of her nasty habits. It features a great new Quentin Blake cover as well as a whole new exciting end section about Roald Dahl and his world.In this popular Dahl story, George creates a very special medicine to cure his grandma of her nasty habits. It features a great new Quentin Blake cover as well as a whole new exciting end section about Roald Dahl and his world.