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2.
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New York : Crowell, c1977.
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San Francisco : Chronicle Books, c2011.
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New York : Puffin Books, 1995, c1985.
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5.
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New York : HarperCollins e-books, 2009.
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6.
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7.
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New York : Crowell, c1980.
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8.
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New York : Lodestar Books, c1991.
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9.
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New York, N.Y., U.S.A. : Puffin Books, 1995.
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10.
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Boston : Clarion Books, 2009.
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