Otis Adelbert Kline
Books in Order (Series of 10 books)
Planet of Peril
Otis Adelbert Kline, book 1
Otis Adelbert Kline
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Prince of Peril
Otis Adelbert Kline, book 2
Otis Adelbert Kline
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Jan of the Jungle
Otis Adelbert Kline, book 3
Otis Adelbert Kline
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The Swordsman of Mars
Otis Adelbert Kline, book 4
Otis Adelbert Kline
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The Outlaws of Mars
Otis Adelbert Kline, book 5
Otis Adelbert Kline
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Jan in India
Otis Adelbert Kline, book 6
Otis Adelbert Kline
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The Dragoman's Revenge
Otis Adelbert Kline, book 7
Otis Adelbert Kline
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The Malignant Entity
Otis Adelbert Kline, book 8
Otis Adelbert Kline
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Port of Peril
Otis Adelbert Kline, book 9
Otis Adelbert Kline
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Maza of the Moon
Otis Adelbert Kline, book 10
Otis Adelbert Kline
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