Arthur C. Clarke 
Sands of Mars [EPUB ebook] 

It is the twenty-first century. On Mars a dedicated group of pioneers — among them some of Earth’s finest brains — struggle to change the face of the planet . . .Science fiction writer Martin Gibson finally gets a chance to visit the research colony on the Red Planet. It’s a dream come true — until he discovers the difficulties and perils of survival on another world . . . and the very real terror it holds.