Wicked is a Broadway musical based of the novel Wicked: The Life and Times of the Wicked Witch of the West by Gregory Maguire.  The musical first debuted on October 30, 2003 at Gershwin Theatre.  It has been on a succesful tour ever since, celebrating many years of "going green."
Gregory Maguire's novel is based off of the original The Wonderful Wizard of Oz by Lyman Frank Baum. The story tells the origins of the relationship between the soon-to-be Wicked Witch of the West, Elphaba, and the Good Witch of the North, Glinda. The girls meet at Shiz University, where they are both attending college. Elphaba is an intelligent young woman whom speaks her mind and is vastly misunderstood for the color of her skin - green. Glinda, or Galinda as she is called, is beautiful and ever so popular. The novel revolves around these two's friendship and the hardships they go through to earn the titles we later see in the Wizard of Oz. 
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