It's widely known now that the cinematic adaptation tells the tale of how the Wicked Witch of the West from the 1939 original was previously close with Glinda the Good, with the two actually having been roommates at university.

With Wicked now in theaters, the adaptation of the Broadway musical — which itself is an adaptation of Gregory Maguire’s novel — has sparked a renewed interested in all things Wizard of Oz. Not only has there been an uptick in sales of copies of Maguire’s book (and a prequel novel,