The Martian is a gripping science fiction novel written by Andy Weir. It tells the story of astronaut Mark Watney, who is left stranded on Mars after his crew mistakenly believes he is dead. With limited supplies and no way to communicate with Earth, Watney must use his ingenuity and resourcefulness to survive on the hostile planet. The book is a thrilling exploration of human resilience and the power of the human spirit. It has received critical acclaim for its scientific accuracy and compelling storytelling.