90 classic titles celebrating 90 years of Penguin Books No author perfected the twist in the tale better than Roald Dahl. His stories - many of which were filmed as Tales of the Unexpected - take us into a world that is shocking, cruelly funny and always has a sinister edge. What if plants could feel pain? What kind of father would bet his daughter in a wager? And what is the secret behind that delicious lamb dinner...?