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,

While Wicked puts a revisionist spin on the earliest Oz tale, the story's connection to its original source material remains integral.

I grew up watching The Wizard of Oz; I played it on repeat as a little kid. However, I hadn’t revisited it until after I saw Wicked in theaters right before its premiere on the