About This Book
After a radio message reports that an emperor of a hidden inner world has been captured, a famed jungle warrior organizes a rescue expedition, supervises construction of a giant dirigible, and travels through the polar entrance to a sunlit hollow Earth. Upon arrival the group becomes separated, and members confront prehistoric beasts, hostile tribes, underground swamps and caverns in a series of episodic adventures that alternate solo survival and cooperative daring. The narrative pairs pulp action with imaginative worldbuilding—describing a timeless, always-noon inner world—while driving toward escape, reunion, and the attempt to free the imprisoned ruler.
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