In the novel The Martian by Andy Weir, there are many prominent themes used throughout the book, with the main ones being isolation and perseverance. Firstly, the theme of isolation is used heavily throughout the book. “Pathfinder’s dead. I’ve lost the ability to contact Earth. I’m on my own.” (Weir 268). The theme of isolation is seen through Mark losing contact with Earth. Now that he is alone again, he must figure out how to reconnect with Earth, and what to do next without any help. In order for Mark to survive, he must fight and overcome these feelings of isolation. Therefore, isolation is a big theme in The Martian, as it is something that the main protagonist, Mark Wateny, must fight against in order to survive. Furthermore, the theme