The stories by Otis Adelbert Kline I’m discussing today are:
The Planet of Peril (1929)
The Prince of Peril (1930)
Bucceneers of Venus (The Port of Peril) (1932)
A Vision of Venus (1933)
The Swordsman of Mars (1933)
Outlaws of Mars (1933)
You can read all of these books by Otis Adelbert Kline’s for free at Project Gutenberg Australia.
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