Review by Darius M. Klein: "A Classic of the Genre" is how Jessica Salmonsen has described this work. Robert Ames Bennet was primarily a writer of Westerns, but also wrote two Lost Race romances, one of which is "Thyra: A Romance of the Polar Pit". The plot concerns a group of explorers who fly in a balloon to the North Pole, where they discover, via an opening, that the earth is indeed hollow. Once inside the earth they encounter Viking and Neanderthal...
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Classics Fantasy Fiction Literature & Fiction Science Fiction Science Fiction & Fantasy