The Wicked Witch of the West is a fictional character who appears in the classic children's novel The Wonderful Wizard of Oz (1900), created by American author L. Frank Baum. In Baum's subsequent Oz novels, it is the Nome King who is the principal villain; the Wicked Witch of the West is rarely even referred to again after her death in the first book.

The Wonderful Wizard of Oz is a 1900 children's novel written by author L. Frank Baum and illustrated by W. W. Denslow. It is the first novel in the Oz series of books. A Kansas farm girl named Dorothy ends up in the magical Land of Oz after she and her pet dog Toto are swept away from their home by a cyclone. Upon her arrival in the magical world of Oz, she learns she cannot return home until she has destroyed the Wicked Witch of the West.