**Lyman Frank Baum** (May 15, 1856 – May 6, 1919) was an American writer of children's books during the late 19th and early 20th centuries. He is best known for his most famous and popular book, *The Wonderful Wizard of Oz* (1900), and other *Oz* books that followed it.

Early life
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Baum was born in a small town in Chittenango, New York. He was a member of a large family. He started writing as a child. When his father bought his children a simple printing press, Baum and a younger brother wrote and printed a small local newspaper. As a young man, Baum wrote and staged plays. Sometimes he wrote songs for his plays and starred in them himself. He also tried many other careers. He was a travelling salesman and a storekeeper for a time. He started a newspaper while he lived in a town in South Dakota. He married in 1882. He and his wife, Maud Gage Baum, raised four sons. Baum had a very good imagination. He liked creating stories for his young sons and their friends.

Writing career
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When he became 40 years old and was living in Chicago, Baum started writing children's books. These books were often based on the stories he had told to children over many years. After several successes in the late 1890s, Baum published what he called an "American fairy tale," *The Wonderful Wizard of Oz*, in 1900. The book had pictures drawn by the American artist W. W. Denslow. Baum had to pay for the first *Oz* book himself. No Chicago publisher wanted to publish *The Wonderful Wizard of Oz*. One man even told Baum that if people had wanted to read this kind of book, it would already have been written. 

But the first *Oz* book was a big success. Baum was able to give up other business ideas and make enough money to live on by writing children's books. The children who read his books often wrote to Baum, and asked him to write more about *Oz*. This caused Baum to begin a series of books set in the fantasy land of Oz. In time, Baum grew tired of the series. He tried to end it but his child readers kept demanding that he continue. Baum met their demands through the rest of his life. He wrote 14 *Oz* books in all. The last two were printed after his death in 1919.

Baum also wrote a large number of books other than the *Oz* series. He was proudest of his fantasies for children, but he also wrote many other kinds of popular works. He used many pen names for these works.

Baum's children's books were illustrated with pictures by different artists. After the first *Oz* book, all the rest in the series had pictures by John R. Neill.

Later life
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Baum made a good income from his books. He spent time travelling around the world with his wife. They settled in Hollywood, California, and Baum made movie versions of some of his *Oz* books. He also produced stage versions of them. But his businesses were not always successful. In time, Baum had to declare bankruptcy. He was smart enough to put his house in his wife's name, so that they did not lose their home in the bankruptcy.

Baum's *Oz* books
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* *The Wonderful Wizard of Oz*, 1900
* *The Marvelous Land of Oz*, 1904
* *Ozma of Oz*, 1907
* *Dorothy and the Wizard in Oz*, 1908
* *The Road to Oz*, 1909
* *The Emerald City of Oz*, 1910
* *The Patchwork Girl of Oz*, 1913
* *Tik-Tok of Oz*, 1914
* *The Scarecrow of Oz*, 1915
* *Rinkitink in Oz*, 1916
* *The Lost Princess of Oz*, 1917
* *The Tin Woodman of Oz*, 1918
* *The Magic of Oz*, 1919
* *Glinda of Oz*, 1920

Some other Baum fantasies
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* *The Life and Adventures of Santa Claus*, 1902
* *The Enchanted Island of Yew*, 1903
* *Queen Zixi of Ix*, 1905
* *John Dough and the Cherub*, 1906
* *The Sea Fairies*, 1912
* *Sky Island*, 1913