Edmond Hamilton 
Tenth Planet [EPUB ebook] 

Captain Future meets Captain Future…The two men stood facing each other.One man was tall and impressive. His red hair, his self-assured manner, the global ring he wore on his finger, left no question in the minds of viewers that he was the man he said he was – the man known the Solar System over as Captain Future.The other man was tall too, but fierce looking, with a wild black beard and a scarred face. They called him Blackbeard and believed he was a space pirate, although the main claimed he didn’t remember who he was. Not even he suspected that he might be the real Captain Future…