Reading the stories of Roald Dahl is a rite of passage in childhood, and for most, these clever, adventurous and, at times, naughty, stories have a way of staying with you. The Twits could be lurking in a dark corner of your memory, the chocolate factory could linker and worm its way in like the rhymes of the Oompa Loompa's, and Matilda could spring to mind whenever you wander around a book shop. These characters are iconic and their stories have stood the test of time, and i