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After reading 2398 websites, we found 2 different results for "Who wrote Oz: The Wonderful Wizard of Oz"
L. Frank Baum
After a few children's books published with varying success, L. Frank Baum published The Wonderful Wizard of Oz in 1900 and Oz quickly became a bestseller and has remained so ever since.
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Lyman Frank Baum
For instance, The Wonderful Wizard of Oz, written by Lyman Frank Baum, is one of those stories.
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