C.S. Lewis constructed the world of "Narnia" through seven novels, the most recognizable of which is "The Lion, the Witch and the Wardrobe." Even today, Gregory Maguire, author of the bestselling "Wicked," gets lost in C.S. Lewis' world of Narnia. "Imagine yourself going through a wardrobe and you think that you know the wardrobe is 4-feet deep and it has a back wall, but you don't get to the back wall, you keep going on.