Summary of Project Hail Mary

Project Hail Mary is a science fiction novel by Andy Weir, the New York Times-bestselling author of The Martian. The story follows Ryland Grace, an astronaut sent on a one-man mission to a mysterious planet, and the only person left to save the human race from extinction. With no memories of who he is, he soon discovers that he's on a journey of discovery and self-discovery, unlocking secrets of the universe that could save his species from a catastrophic event. Along the way, he must work to survive the planet's dangerous environment, uncover its mysteries, and discover the truth about his purpose and identity. Ultimately, he must find a way to save humanity and fulfill the mission he was sent for.