he Grinny Granny Donkey is the third book from Craig Smith and Katz Cowley, the creative team behind the Scottish Granny internet sensation, The Wonky Donkey! Meet the latest addition to the phenomenal donkey family and get ready to hee haw with laughter! A brilliantly funny story by Craig Smith and beautiful illustrations by Katz Cowley guarantee that The Grinny Granny Donkey will become your new favourite picture book.