The Martian is a gripping science fiction novel written by Andy Weir. It follows 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 scientific knowledge to survive on the hostile planet. As he faces numerous challenges, including growing food, generating water, and repairing equipment, Watney's resourcefulness and determination become the key to his survival. The Martian is a thrilling and realistic portrayal of human resilience and the power of science in the face of adversity.