World in Duplicate - John Russell Fearn

In the depths of the Milky Way, the Cosmic Crusaders encounter yet another mysterious planet-this time a world that appears to be a duplicate of Earth, birthplace of the Golden Amazon! Their investigations uncover a sinister plot by an alien race, the Denafrone, whose machinations also threaten the Amazon's home world. The Denafrone have also enslaved another peaceful race, turning their planet into a scientific devil's workshop. To smash the Denafrone and save the Earth will take every resource the Crusaders possess! Another thrilling interstellar episode in the ongoing Saga of the Golden Amazon!

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