The Martian, written by Andy Weir, is a science fiction novel that tells the gripping story of astronaut Mark Watney, who is stranded alone on Mars after his crew mistakenly leaves him behind during an emergency evacuation. With limited supplies and no means of communication, Watney must use his ingenuity and scientific knowledge to survive on the harsh planet until rescue becomes possible. The Martian is praised for its realistic portrayal of the challenges of space exploration, its humor, and its exploration of the human spirit's resilience in the face of adversity.