A True Genius . . . Roald Dahl Is My Hero' - David Walliams Warning: Do Not Try To Make George'S Marvellous Medicine Yourselves At Home. It Could Be Dangerous...George Kranky'S Grandma Is A Miserable Grouch. George Really Hates That Horrid Old Witchy Woman. One Saturday Morning, George Is In Charge Of Giving Grandma Her Medicine. So-Ho Ah-Ha Ho-Hum George Knows Exactly What To Do. A Magic Medicine It Will Be One That Will Either Cure Her Completely Of Her Horrible Grouchiness . . . Or Blow Off The Top Of Her Headroald Dahl Is The World'S Number One Storytellernow 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