1.
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New York : Atheneum, 2012.
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2.
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New York : Penguin Books, 2013.
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3.
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Lincoln : University of Nebraska Press, c2008.
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4.
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New York : Oxford University Press, 1960.
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5.
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New York : Harper, 2011.
GV863.A1 B3744 2011 |
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6.
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[Alexandria, Va.] : PBS Home Video ; Hollywood, Calif. : Distributed by Paramount Home Entertainment, 2010.
GV863.A1 B374 2010 |
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7.
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New York : Jump at the Sun/Hyperion Books for Children, [2008] ©2008
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8.
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New York : Modern Library, 2008
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9.
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Washington, D.C. : National Geographic Society, 2008.
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10.
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Chicago, Il. : Triumph Books, 2007.
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