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What task does the Wizard of Oz demand before granting Dorothy and her friends their wishes?
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The Wonderful Wizard of Oz
An illustrated page by W.W. Denslow in L. Frank Baum's The Wonderful Wizard of Oz.
In L. Frank Baum's novel The Wonderful Wizard of Oz, the Wizard of Oz informs Dorothy and her companions that he will not grant their wishes until the Wicked Witch of the West has been killed.1