Edmond Hamilton 
Outlaws of the Moon [EPUB ebook] 

The sorrowful cry spread throughout the Solar System. Captain Future and his Futuremen had been missed for months. There was little hope that they’d ever be seen again…A scheming scientist headed for the moon. Now was his chance to find the Futuremen’s hideaway and steal their highly guarded secrets, secrets that could control the Universe. No one could stop him – not even the sinister lunar creatures – now that Captain Future was dead!