Edmond Hamilton 
Quest Beyond the Stars [EPUB ebook] 

Mercury is slowly dying. Each year its air grows thinner. Each month thousands of broken Mercurians are ordered to leave their planet. They have only one hope. Captain Future, the Solar System’s most daring agent, has promised to restore their world – a next to impossible task.The solution lies beyond the stars…at the very core of the universe where no man has ventured before. There, in the shadow of doom, Captain Future meets the mightiest of all evil beings – creatures he may not live to describe…