The launch of the Hubble Space Telescope in 1990 began a lengthy period of scientific work in space that has reached 30 years and is continuing as this study is being completed. more
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The Emerald City of Oz is the sixth of L. Frank Baum's fourteen Land of Oz books. Originally published on July 20, 1910, it is the story of Dorothy Gale and her Uncle Henry and Aunt Em coming to live in Oz permanently. more
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Dorothy and the Wizard in Oz is the fourth book set in the Land of Oz written by L. Frank Baum and illustrated by John R. Neill. It was published on June 18, 1908 and reunites Dorothy with the humbug Wizard from The Wonderful Wizard of Oz (1900). more
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Ozma of Oz: A Record of Her Adventures with Dorothy Gale of Kansas, Billina the Yellow Hen, the Scarecrow, the Tin Woodman, the Cowardly Lion and the Hungry Tiger. more
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The Lost Princess of Oz is the eleventh canonical Oz book written by L. Frank Baum. Published on June 5, 1917, it begins with the disappearance of Princess Ozma, the ruler of Oz and covers Dorothy and the Wizard's efforts to find her. more
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The Magic of Oz is the thirteenth Land of Oz book written by L. Frank Baum. The Magic of Oz relates the unsuccessful attempt of the Munchkin boy Kiki Aru and former Nome King Ruggedo to conquer Oz. more
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