The Hidden World by Stanton A. Coblentz
Requirements: Any ePub reader, 182kb
Overview: When the Nevada silver mine they were exploring suddenly caved in, Frank Comstock and Philip Clay thought they were lost. An exploration of their prison brought them to discover tremendous galleries and caverns, where two armies were battling with destructive weapons–the cause of the Earthquake. Two hidden civilizations, deadly enemies, with advanced scientific secrets were both scientific geniuses and lunatics.
Genre: Sci-Fi/Fantasy
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