The Wizard of Oz is a story that has been told in a number of ways, from the original book to the classic film, remakes and multiple musicals.

从原著到经典电影，再到翻拍电影和多种多样的音乐片，《绿野仙踪》的故事已经用多种方式演绎过。

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Baum himself wrote 14 Oz books, and his successors kept the series going with a new book annually through World War II.

WSJ: The Road Well-Traveled: Oz the Great and Powerful